不安世界中的证券——市政厅演讲,1963年11月15日(贾森·茨威格转录)

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TITLE: Securities in an Insecure World —— Town Hall 演讲,1963 年 11 月 15 日(Jason Zweig 转写稿)

TITLE_ZH: 在不安全世界中的证券 —— Jason Zweig 全文转写稿(配套 1963 演讲扫描件)

YEAR: 1963

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在不安全世界中的证券

Securities in an Insecure World

本杰明·格雷厄姆演讲,于市政厅,圣弗朗西斯酒店,1963 年 11 月 15 日

A Lecture by Benjamin Graham, Delivered at Town Hall, St. Francis Hotel, November 15, 1963

I. Market Fluctuations

I. Market Fluctuations

拉帕波特博士为我的演讲选了一个非常耐人寻味的标题,“在不安全世界中的安全感”。希望你们当中没有多少人误以为我要泛泛谈论安全感。

Dr. Rappaport has chosen a very intriguing title for my talk, “SECURITY IN AN INSECURE WORLD.” I hope that not many of you came under the mistaken impression that I am going to talk about security in general.

我只谈财务安全,不谈人身安全、精神安全、婚姻安全或其他类型。就算在财务安全这个范围内,我也只打算讨论股票和债券的投资策略。

I am going to talk only about financial security, not about physical security, mental security, matrimonial security, or other types. Even as far as financial security is concerned, I am going to address myself only to investment policy in stocks and bonds.

这个演讲的标题,或许更贴切的是“在不安全世界中的证券”,因为证券才是我的领域。我不会谈储蓄和预算政策、人寿保险、买房、养老金计划之类的事情。

The title of this talk might better have been SECURITIES IN AN INSECURE WORLD, because securities are my field. I am not going to talk about savings and budget policy, life insurance, home ownership, pension plans and other matters of that kind.

原因是我并不认为自己是那些领域的专家,我更愿意跟你们聊聊那些我希望自己比你们懂一点的东西。

The reason is I don’t consider myself an expert in those areas, and I would rather talk to you about things I hope I know more about than you do.

这让我想起一件事:1946 年纽约证券分析师协会创办了一本期刊,我们给它起了个简单的名字叫《分析师期刊》。结果我们收到了大量询问,甚至还有来自精神分析师的订阅请求,逼得我们不得不自卫,把名字改成现在的《金融分析师期刊》。

This reminds me of the fact that when the New York Society of Security Analysts established a journal in 1946 we gave it the simple title The Analysts Journal. But then we got so many inquiries and even subscriptions from psychoanalysts that we were forced in self-defense to change the name to the present title The Financial Analysts Journal.

在财务安全这个领域——仅限于投资策略问题——我认为投资者现在可能面临三种威胁或危险。第一种是核战争威胁;第二种是通货膨胀威胁;第三种是市场剧烈波动的威胁,当然主要是下跌。

In the field of financial security, as limited to the problems of investment policy, I would say there are three kinds of threats or dangers that investors should recognize as possibly existing at the present time. One of them would be the threat of atomic war; the second would be the threat from inflation; and the third would be the threat from severe market fluctuations up and down, and of course primarily down.

对于核战争的可能性,我没有办法提供一套财务安全或投资组合策略。我想别人也没有;我们宁愿把这个问题扫到地毯下面,去处理那些我们能更有效应对的事情。

Now, I have no prescription for financial security or for portfolio policy that could deal with the possibility of atomic war. I don’t think anyone else has; we prefer to sweep that problem under the rug and go forward to things we can deal with more effectively.

我提到的第二个危险是通货膨胀。纵观投资者自 1900 年以来的财务经验,通货膨胀一直是个重要因素。没有多少人意识到,按通常的指数衡量,本世纪头三十年的通胀比后三十年还要严重。

The second danger I mentioned was inflation. Inflation has been a big factor in investors’ financial experience going back as far as 1900. Not many people realize we had more inflation in the first thirty years of this century than in the second thirty years, as measured by the usual indices.

未来持续某种程度的通胀几乎是必然的,这也是为什么现在大多数明智的投资者都认同其投资组合中必须包含一些普通股的主要原因。

The continuation of some degree of inflation is certainly probable in the future, and that is the chief reason why most intelligent investors now recognize that some common stocks must be included in their portfolio.

然而,这只是通货膨胀对投资政策影响的一部分。事实上,通胀的程度以及投资者对其的反应,多年来变化极大。

However, that is only part of the question of the effect of inflation on investment policy. The fact is that both the extent of inflation and the investor’s reaction to it have varied greatly over the years.

这绝非一条直线。最新的例子就很能说明问题。最近几年我们经历了小幅通胀,同时股市却大幅上涨,这似乎不是基于已发生的通胀,而是基于对未来更大通胀的预期。你可能知道,自 1958 年以来,批发价格指数没有上涨。过去五年里,生活成本确实上涨了 6.5%,这当然不可忽视,但它本身几乎不足以成为股价翻倍的坚实理由。

It is by no means a straight-line matter. A good example is the most recent one. We have had a small inflation in recent years accompanied by a very large increase in stock-market prices, which seem to be geared not to the inflation experienced but rather to the expectation of greater inflation in the future. You probably know there has been no increase in the wholesale-price average since 1958. There has indeed been a rise of 6.5% in the cost of living in the last five years, which of course is not negligible, but could scarcely in itself be a sound basis for a 100 percent rise in stock prices.

相反,在 1945 年至 1949 年间,我们确实经历了一次相当剧烈的通胀——消费者价格指数(也就是“生活成本”)上涨了超过 33%——但在此期间,股价实际上还小幅下跌了。

Conversely, during the years 1945-1949 we did have a rather explosive kind of inflation — the Consumer Price Index (that is, the “cost of living”) advanced over 33% — but during that period stock prices actually had a small decline.

我对此的结论是:投资者对通胀的感受和反应,很可能更多是他们近期股市经历的结果,而非原因。因此,当市场上涨时,投资者极容易过分重视通胀;而当市场下跌时,就像 1945 年至 1949 年那样,他们又会完全忽视通胀。这实际上就是自 1900 年以来通胀与股市行为的真实历史。

My conclusion here is that investors’ feelings and reactions regarding inflation are probably more the result of the stock-market action that they have recently experienced than the cause of it. Consequently there is great danger of investors giving inflation too much weight when the market advances and ignoring it entirely, as they did in 1945-1949, when the market declines. This has actually been the history of inflation and stock-market behavior ever since 1900.

价格波动或市场波动的问题,对于投资者和投机者来说都是非常现实的,尽管华尔街过去多年甚至现在,都倾向于否认这一点。

The problem of price fluctuations, or market fluctuations, is a very real one for investors as well as speculators, although there has been a tendency in Wall Street to deny that for a number of years in the past and even currently.

实际上,真正的问题不在于价格波动对投资者是否重要;恰恰相反,问题在于能否找到一种行之有效的方法,来区分普通股投资中的投资者和投机者。正如后面会指出的,这种区分在华尔街几乎已经消失,这个事实过去造成了大量麻烦,未来还会造成大量麻烦。

Actually, the real problem is not whether price fluctuations are important to the investor; it is rather the opposite, that is, to find some good workable distinction between the investor and the speculator in common stocks. As will be pointed out later, that distinction has almost vanished from Wall Street, a fact which has caused a great deal of trouble in the past and will cause a great deal of trouble in the future.

然而就在去年——虽然感觉上已经很久了——道琼斯工业平均指数从 735 点跌至 535 点,市场波动对投资者和投机者都显得极其重要。

Yet only last year — although it seems a long time ago – market fluctuations, as evidenced by a decline in the Dow Jones [Industrial] Average from 735 to 535, did loom as extremely important to investors and speculators alike.

道琼斯指数下跌约 27% 的同时,此前两年发行的大多数新证券跌幅在 50% 到 90% 甚至更多,这些证券在那段时期的股市活动中扮演了引人注目的角色。

This fall of about 27% in the Dow Jones average was accompanied by declines of between 50% and 90% or more in most of the new securities that had been issued in preceding two years and played such a spectacular part in the stock-market activity of that period.

那么,在 1962 年 5 月,那种只会上涨、回调极少的单边市场概念,似乎被永久抛弃了。然而,华尔街的记忆非常短暂,现在大多数金融权威似乎又滑回了 1960 年和 1961 年的观念。

At that time then, in May 1962, the concept of a one-way market, which go only upwards with very small reactions, seemed to be abandoned for good. However, Wall Street has a very short memory, and now the majority of financial authorities seem to be slipping back to the concepts of 1960 and 1961.

他们又重新认为,对于聪明的投资者来说,股市波动的问题根本无需考虑。

They are returning to the idea that for the smart investor the question of stock-market fluctuations does not have to be considered.

这里有两方面的重点,掩盖了股市波动的现实。

There is a two-fold emphasis here, which slurs over the reality of stock-market fluctuations.

第一,普遍的信念是,市场可以被指望在多年内坚定上涨,以至于任何下跌都相对不重要;因此,如果你持有真正的投资者心态,你就无需为此操心。

The first is the general conviction that the market can be counted on to advance so emphatically through the years that whatever declines take place are comparatively unimportant; hence if you have the true investor’s attitude you don’t have to concern yourself with them.

第二,有人声称“股市”根本不存在,意思是市场平均指数的表现,对明智、有充分建议的投资者或投机者来说并不真正重要。这似乎是华尔街的一条基本原则:如果你在投资中采用了恰当的选股方法,就无需担心整个股市的表现(正如指数所示),因为任何时候好股票都会上涨,坏股票都会下跌,你只需要选好股票,然后忘记股市指数就行了。

The second claim is a denial that the “stock market” exists at all, meaning thereby that what the market averages do is of no real importance to the intelligent, well-advised investor or speculator. It seems to be a ruling tenet of Wall Street that if you practice the proper kind of selectivity in investments you don’t have to worry about what the stock market does as a whole, as shown by the averages, for at all times the good stocks will be going up and the bad ones will be going down and all you need to do is pick the good stocks and forget about the stock-market averages.

这两个论点有多站得住脚?

How valid are these two arguments?

第一个论点——即普通股(包括现在)一直并且永远是有吸引力的,因为它们自 1949 年以来表现优异——其表述中蕴含着一个非常根本且危险的谬误。

The first one – the argument that common stocks are and always be attractive, including the present time, because of their excellent record since 1949 – involves in those terms a very fundamental and dangerous fallacy.

这个谬误是:股市本身过去的记录越好,就越能确定普通股是未来稳健的投资。

This is the idea that the better the past record of the stock market as such, the more certain it is that common stocks are sound investments for the future.

我们都明白,如果一家公司过去几年有非常好的记录,这在一定程度上表明(但不能保证)它未来的记录也可能很好,因为它拥有某些在大多数情况下应该会持续的商业优势。

Now we all know that if a corporation has had a very good record over the past years, that is a fair indication (but no guarantee) that its record is likely to be good in the future, because it has certain business advantages which in most cases ought to continue.

但是你不能说,股市在过去很长一段时间内持续上涨(或略有波折)这个事实,就是它未来会继续同样表现的保证。

But you cannot say that the fact the stock market has risen continuously (or slightly irregularly) over a long period in the past is a guarantee that it will continue to act in the same way in the future.

在我看来,事实恰恰相反,因为股市涨得越高,如果你只考虑市场内部行为,就越有理由怀疑其未来的走向。我们都知道,几十年来股市的典型历史就是一系列大幅上涨(其中很大部分是投机性的),随后不可避免地伴随着大幅下跌。因此,过去那些大幅上涨总是携带着未来不幸后果的警告信号。

As I see it, the real truth is exactly the opposite, for the higher the stock market advances the more reason there is to mistrust its future action if you are going to consider only the market’s internal behavior. We all know that for many decades the typical history of the stock market has been a succession of large rises, in good part speculative, followed inevitably by substantial falls. Consequently, the substantial upsweeps of the past have always carried with them warning signals of unhappy consequences to come.

这并不一定意味着某只个股或市场平均指数的大幅上涨之后必然要跟随下跌;但是,对一只已经大幅上涨的证券的未来价格抱有信心,唯一的理由是其价格运动本身之外,存在一些外部理由能够证明这种信心是合理的。因此,股市的大幅上涨基本上是一个需要谨慎的信号,而不是信心的理由。

It does not necessarily follow that a large rise in the price of an individual stock or in the market averages must be followed by a decline; but the only reason to view with confidence the future price of a security that has already advanced substantially is the presence of external reasons, other than the actual price movement itself, which would justify such confidence. Hence a large advance in the stock market is basically a sign for caution and not a reason for confidence.

让我们从理论推理,然后再从一些实际考量出发,来讨论一下市场在当前水平上的可能性。我想提出三种可能性;无疑还有更多。

Let us discuss the market’s possibilities from present levels in terms first of theoretical reasoning and then in terms of some practical considerations. I would like to present three possibilities; undoubtedly there are a great many more.

一种可能性,也是当前思想中非常流行的一种,是自 1949 年以来发生的上涨——道琼斯平均指数从大约 163 点涨到现在的 750 点——反映了普通股一种全新的、显著改善的特性,因此可以预期未来会以大致相同的速度继续上涨。

One possibility, which is a very popular one in present thought, is that the rise that has taken place since 1949 – from about 163 in the Dow Jones Average, to 750 at the present time – reflects a new and a marvelously improved character of common stocks, and therefore can be expected to continue more or less at the same rate in the future.

只有这种观点才能解释以下普遍做法:计算投资者在过去 14 年里本可以从共同基金或类似购买中获得的收益,并以此为基础,试图说服他们在当前高价购买此类证券。

Only such a point of view can make sense out of the prevalent practice of calculating the gains that investors could have made in mutual-fund shares or in similar purchases over the last 14 years as a basis for trying to persuade them to buy such securities at their present advanced prices.

如你所知,共同基金的销售人员总是进行这种计算来打动投资者。美国证券交易委员会要求他们附带一句敷衍的声明,说这种计算对未来没有保证,但我认为很少有人重视这个限定条件。

As you know, this kind of calculation is done all the time by mutual-fund salesmen to impress investors. The SEC requires it to be accompanied by a perfunctory statement that the calculation carries no warranty for the future, but I don’t think very much emphasis is placed upon that qualification.

第二种可能是,我提及的那轮上涨中很大一部分是估值从 1949 年的低估水平调整到了某种新估值基准下的合理水平。如果真是这样,那么 1949 年至 1963 年的涨幅中很大一部分就不可能从当前已经修正的水平上重演。不过,我们仍有可能从目前大致合理的点位出发,平均每年获得 4.5% 的令人满意的涨幅。如果 750 点左右是当前合理水平,那么投资者有理由预期每年从该水平获得大约 4.5% 的常规涨幅,期间会有温和的向下波动。

The second possibility is that a good part of the rise I spoke of was an adjustment from an undervalued level in 1949 to a proper level on some new basis of valuation. If that is so, a good part of the 1949-1963 rise could not be expected to be repeated from a level which is now a corrected one. However, we could have a satisfactory advance on the average, say 4.5% per annum, from whatever level turns out to be about right for today. If 750 is about the right present level then the investor might possibly expect a more or less standard 4.5% advance from this level, year by year, subject to moderate downward fluctuations.

但第三种可能是,市场的本质从未改变,正如我们从至少追溯到 1720 年南海泡沫(几乎 300 年前)的记录中所看到的。我们还拥有自 1871 年以来美国股市的非常详细的数据,这些数据被纳入了考尔斯指数和标普 500 指数的记录。很可能,我们仍将看到过度乐观和过度悲观反复交替的场景,这已是屡见不鲜。

But the third possibility is that the nature of the market has not changed from its earliest times, as shown in our records that go back at least to the South Sea Bubble in 1720, practically 300 years. We have also very detailed data on stock prices in the United States since 1871, which were incorporated in the Cowles and the Standard & Poor’s records. It may well be that we shall still have the all-too-familiar alternations of excessive optimism and excessive pessimism.

最近的过度悲观例子恰恰是这轮市场的起点。1949 年至 1950 年间,市场创下了和平时期历史上最低的市盈率。我所说的市场平均指数中,股票的售价仅为盈利的 7 倍左右,而目前大约是 20 倍。

The most recent example of excessive pessimism is the very period which was a starting one for this market. During 1949-1950 the market had the lowest peacetime price/earnings ratio in its history. Stocks sold at only about 7 times their earnings, in the market averages I am talking about, as compared with about 20 times at the present time.

这意味着,正如股票在 7 倍盈利时明显被低估一样,在 20 倍或此后市场确立的更高倍数(这代表着过度乐观的水平)时,它们很可能被高估。

The implication here is that just as stocks were evidently undervalued at seven times their earnings they might very well be overvalued at 20 times or at some higher multiplier that will be established later in this market and will represent a level of excessive optimism.

我本人对这三种可能性的看法是,第一种可能性完全不成立。

My own opinion about these three choices is that the first possibility is really out of the question.

经济现实的性质不允许 1949 年至 1963 年间显示的那种净收益增长率(每年大约 14%,包括股息回报)在未来无限期持续下去。

It is not in the nature of economic reality to permit net gains at the shown rates from 1949 to 1963 – something like 14% per annum including the dividend returns – to continue indefinitely in the future.

我们根本没有一个能够在这种基础上运转的金融和经济体系。如果那是真的,没人需要靠工作谋生了。我记得很清楚,在 20 世纪 20 年代末,有多少人对股市抱有相应的看法,辞去工作,涌入华尔街,想利用它美好的未来。

We just don’t have a financial and economic system that can operate on that basis. If that were true nobody would have to work for a living. I remember very well the number of people in the late 1920s who got a corresponding view of the stock market, gave up their jobs and plunged into Wall Street to take advantage of its wonderful future.

第二种可能性——即市场将大致从当前水平稳步上涨,但没有从极低水平起步的优势——在理论上是说得通的。

The second possibility – which is that the market will advance pretty steadily from approximately the present level, but will not have the advantage of starting from a very low level – is admissible in theory.

但一个巨大的问题(我稍后会谈到)是,你如何确定普通股估值合理的新基准,进而如何确定当前大致合理的水平?

But the great problem, one that I will talk about later, is how can you determine the proper new basis for common-stock valuations and therefore how can you determine the more or less proper level for now?

我在 1961 年 12 月向美国金融协会提交的一篇论文中讨论了这个问题(参见《通过股权积累的某些投资方面》,收录于《本杰明·格雷厄姆:构建一门职业》,http://amzn.to/2tkpLiq),当时我说,市场确实在不确定标准的海洋上随波逐流。旧的估值标准几十年来甚至可能几代人以来都行之有效,如今似乎已站不住脚——它们太保守了;但合理的新估值标准肯定无法通过某人的直觉或数学计算得出来。

I discussed this question in a paper read to the American Finance Association in December 1961. See “Some Investment Aspects of Accumulation through Equities,” in Benjamin Graham: Building a Profession, http://amzn.to/2tkpLiq. and said then that the market was really adrift on a sea of unsettled standards. The old standards of value, which had been well-established for decades and perhaps generations, no longer seem to be tenable, as much too conservative; but the proper new standards of value could certainly not be worked out either by somebody’s inner consciousness or by mathematical calculations.

我们很可能需要等待相当长的一段时间,才能确定可靠的新标准。与此同时,在我看来,股市将不得不通过试错过程来进行计算,这可能导致围绕最终将成为新中心值的水平出现大幅波动。

We shall have to wait, probably for a considerably length of time, before we can determine dependable new standards. In the meantime it seemed to me that the stock market will have to carry out its calculations by a process of trial and error, which could lead to large fluctuations around what in the end will turn out to be the new central value.

我认为,自 1961 年 12 月以来发生的情况在某种程度上证实了这种解释。当然,1962 年的大幅下跌代表了一种剧烈波动,而 1962 年 6 月以来的强劲复苏可能代表了另一种波动。

I think what happened since December 1961 bears out this interpretation to some degree. Certainly the big decline in 1962 represented a sharp fluctuation of one kind, and the impressive recovery since June 1962 may represent a fluctuation of the other kind.

你们肯定想知道我应用在股市水平上的“旧”和“新”估值标准是什么意思。旧的估值标准——直到大约 1955 年仍被广泛接受——是通过基于推理或经验的各种不同方法得出的。

No doubt you would be interested to know what I mean by the terms “old” and “new” standards of value as applied to the stock-market level. The old standards of value – which were pretty well accepted up to, say, 1955 – were reached by a number of different approaches based on reasoning or experience.

我最喜欢的方法当然是我自己的方法,即所谓的“格雷厄姆法”。它源于对道琼斯工业平均指数中 30 只股票过去 10 年平均盈利的计算,以高等级债券利率的两倍进行资本化。例如,目前,道琼斯指数过去 10 年的平均盈利约为 33 美元,高等级债券的当前利率是 4.3%。如果以 8.6%(即大约 12 倍的乘数)对 33 美元进行资本化,那么基于旧基准的中心值大约为 380 点,而当前价格约为 750 点。

The one I like best, of course, was my own, which has been known as the “Graham.” It was derived from the Central Value average earnings of the 30 stocks in the Dow Jones Industrial Average for ten years past, capitalized at twice the interest rate on high-grade bonds. For example, at the present time, the average earnings for the last ten years are about $33 on the Dow Jones unit and the present rate on high-grade bonds is 4.3%. If you capitalize $33 at 8.6%, which is a multiplier of about 12, you would get a Central Value on the old basis of about 380, as compared with the present price of about 750.

1955 年初,当我在富布莱特委员会作证时,股市大约在 400 点,我的中心值也在 400 点左右,而使用其他方法的其他“专家”的估值似乎也都达到了那个水平。

In early 1955, when I testified before the Fulbright Committee, the stock market was then about 400, my Central Value was also around 400, and the valuations of other “experts” using other methods all seemed to come to about that level.

自那以后股市的表现似乎表明,这些估值方法极为保守,过低估计了价值,尽管它们在 1871 年到大约 1954 年间的股市波动中表现得非常好——这是一个极长的测试周期。

The action of the stock market since then would appear to demonstrate that these methods of valuation are ultra-conservative and much too low, although they did work out extremely well through the stock-market fluctuations from 1871 to about 1954, which is an exceptionally long period of time for a test.

不幸的是,在这种试图根据过去行为确定关系的工作中,几乎一成不变的经验是,当你有足够长的时间对你的衡量方法建立充分信心时,新的条件就会取而代之,该衡量方法对未来就不再可靠了。

Unfortunately in this kind of work, where you are trying to determine relationships based upon past behavior, the almost invariable experience is that by the time you have had a long enough period to give you sufficient confidence in your form of measurement, just then new conditions supersede and the measurement is no longer dependable for the future.

我们在去年出版的《证券分析》第四版中不得不处理这个问题,并认识到股票现在应该比过去估值更宽松的可能性。

We had to deal with this problem in the fourth edition of Security Analysis published last year, and to recognize the probability that stocks should be valued more liberally now than in the past.

顺便说一句,我们这样做的首要原因是(我在格雷厄姆手稿中此处删除了“不是”这个多余的词。——编者按)因为政府防止大规模衰退的承诺改变了企业盈利的环境,这与 1946 年《就业法》之前不同。我们认为,这种针对企业盈利严重下滑的新保险措施,足以证明这些盈利应该比过去获得更高的估值。因此,我们在基于旧方法的估值基础上任意增加了 50%。

Our chief reason for that, incidentally, is (I deleted the extraneous word “not” after “is” here in Graham’s typescript. –Ed) because the government’s commitment to prevent large-scale depressions has changed the climate of corporate earnings from what it was prior to the Employment Act of 1946. We think this new insurance against a very severe falling off in the earnings of corporations generally would justify a higher valuation of these earnings than in former years. Hence we have added an arbitrary 50% to the valuation based upon our old method.

这将使我们现在得出道琼斯工业平均指数的价值约为 570 点,相应的标普 500 指数价值约为 56 点。让我指出,这两个平均指数在价格水平、股息和盈利方面以 10:1 的比例非常接近,因此在描述或分析时,你几乎可以互换使用这两个数字。

That would give us now a value of about 570 for the Dow Jones Industrial Average, and a corresponding value of about 56 for the Standard & Poor’s 500-stock average. Let me point out that the two averages stand so close together on a ten-to-one basis in their price level, dividends, and earnings, that you can use the two figures almost interchangeably for purposes of description or analysis.

你必须认识到,这个 570 点的水平,源于从旧水平任意上调 50%,背后并没有特殊的权威性。这仅仅是我们在一个不允许进行任何真正可靠计算的情况下所能做出的最佳判断。

You must recognize that this level of 570, which is derived from an arbitrary markup of 50% from the old level, has no special authority behind it. It was merely the best judgment that we could give on a situation which does not admit of any really dependable calculations.

事实上,如果一个人足够乐观和巧妙,完全有可能发展出一种听起来合理、并且能够证明道琼斯工业平均指数当前 750 点水平是合理的估值方法。

As a matter of fact if one is sufficiently optimistic and adroit it is quite possible to develop a method of valuation which sounds plausible enough and would justify the present level of 750 for the Dow Jones Industrial Average.

让我告诉你们如何做到这一点。首先,你说投资者希望在未来几年从他们的资金中获得 7.5% 的总回报。这是自 1871 年以来普通股的平均回报率——包括股息和价格上涨——正如考尔斯和莫洛多夫斯基的研究所示。

Let me show you how that could be done. You say first that investors would like to get an overall return of 7.5% on their money in future years. That’s what common stocks have returned on the average – in dividends and price appreciation – ever since 1871, as shown by the Cowles and Molodovsky studies.

现在,如果我们预期盈利和股息每年增长 4.5%,那么我们只需要 3% 的股息回报率就能凑成所需的 7.5% 总回报。由于目前道琼斯指数和标普 500 指数的股息回报率略高于 3%(按市场价格计算),我们可以满怀信心地在当前水平买入这些股票,因为这样我们将获得 3% 的股息回报和 4.5% 的年增长回报。

Now, if we can expect a rate of growth of earnings and dividends of 4.5% a year, then all we need is a dividend return of 3% to make up the desired 7.5% total. Since the Dow Jones and Standard & Poor’s dividend return is just a little more than 3% right now on the market price, we could buy these at the present level with confidence, as we would then get a 3% return in dividends and a 4.5% annual return in growth.

这一切听起来不错,但如果你考虑到,如果未来的增长率碰巧是 3.5% 而不是 4.5%——而 3.5% 大约是过去 10 年股息的实际年增长率——那么结果就会大不相同。因为如果你现在预期 3.5% 的增长率,你将需要 4% 的股息回报率才能达到所需的 7.5%。按照这个基准,道琼斯工业平均指数正好值我们任意赋予它的 570 点。

All that sounds fine, but if you reflect that by some chance the future growth rate would be 3.5% instead of 4.5% – and 3.5% was about the actual annual growth in dividends in the last ten years – then you get quite a difference. For if now you are expecting a 3.5% growth rate, you will need a 4% dividend return to make up the required 7.5%. On that basis the Dow Jones Industrial Average is worth just about the 570 which we arbitrarily gave to it.

和以往一样,现在有很多数字可以玩弄;但这些方法本身都不能给出可靠的结果。在很大程度上,被选中的数字取决于选择者的一般态度,而这种一般态度又往往反过来由股市的表现决定。当股市在 750 点时,你采取乐观态度并使用一些有利的数字;但如果股市大幅下跌,大多数人又会跳回更老、更保守的估值方法。

There is a lot of juggling with figures that can be done now as always; but none of these methods in itself gives a dependable result. To a great extent the figures selected are determined by the general attitude of the man who is selecting them, and that general attitude is very often determined in turn by what the stock market has been doing. When the stock market is at 750 you take an optimistic attitude and use some favorable figures; but if it should have a severe decline most people would jump back to the older and more conservative valuation methods.

现在让我指出一个引人注目的领域,普通股合理估值的不确定性在此凸显。

Let me now point out a striking area in which the uncertainty of the proper valuation of common stocks is brought to the fore.

这正是股票股息回报率与债券利率之间的关系问题。五十多年来,华尔街的一条信条是,股票收益率应该大大高于债券。在投机性市场中,股票可能会上涨,直到其收益率低于债券。但正是这种发展是市场危险的明确迹象——预示着行情即将大幅下跌。伟大的投资作家彼得·伯恩斯坦经常谈论股票和债券收益率之间的倒挂现象。请参阅本文末尾的完整记录:http://jasonzweig.com/in-honor-of-peter-bernstein/。

That is this very question of the relationship between dividend return on stocks and the interest rate on bonds. For fifty years or more it was a tenet on Wall Street that stocks should yield considerably more than bonds. In speculative markets stocks might rise until their yield became less than that of bonds. But this very development was a sure sign that you were in a dangerous market – one heading for a bad fall. The great investing writer Peter Bernstein often talked about the inversion between stock and bond yields. See the full transcript at the end of this post: http://jasonzweig.com/in-honor-of-peter-bernstein/.

我的一位朋友,一家重要经纪公司的负责人,对这个想法极其着迷,以至于在他的市场报告中反复使用。更甚的是,他竟把股票收益率与债券收益率之间的关系制作成一张漂亮的图表,印在从巴黎进口的领带上,分发给他的朋友们,包括我在内。有一段时间,我在一些讲座上戴着这条领带,说这是第一次有人通过自己的领带来分析股票市场的技术形态。

A friend of mine, head of an important brokerage house, was so enamored of that idea he used it constantly in his market letters. More than that, he actually had the relationship between stock yields and bond yields printed in a nice chart-design on neckties imported from Paris, which he distributed to his friends, including me. For a while I wore this tie at some of my lectures and said that this was the first time that anybody had analyzed the technical position of the stock market from his necktie.

嗯,自 1958 年以来,股票的收益率一直远低于债券,且毫无回归旧有关系之势。因此,我这位经纪朋友发现这个理念越来越难以坚持。大约两年前,实际上就在市场大跌前不久,他在某大报的一则广告中完全抛弃了这个概念,说谈论股票收益率作为估值基础纯属胡说八道,声称主要因素在于公众的心理和态度;并断言这一因素强烈看涨,足以支撑人们放心买入股票。

Well, since 1958 stocks have been yielding considerably less than bonds, with no sign of a return to old relationships. Hence my broker friend found this concept increasingly hard to stick to. About two years ago, actually not very long before the big market break, in a huge newspaper advertisement he abandoned this concept completely, said it was all bosh to talk about stock yields as the basis of valuation, claimed the main thing was the psychology and attitude of the public; and asserted this factor was strongly bullish and justified confident buying of stocks.

我提这件事的主要原因是,我刚刚花了很多时间研究一家成立于 1909 年的最古老金融服务机构(格雷厄姆指的是穆迪,当时称为穆迪投资者服务公司)的每周市场分析报告,发现就在三十年前,同一家机构(我也将不点名)也经历了完全相同的过程。多年来,他们一直谈论股票收益率与债券收益率的标准关系,并以此来确定股票市场可能上涨的上限。在 1920 年代末的大牛市中,这种关系作为短期市场预测指标被证明极不可靠。于是,他们也发表了一份措辞惊人的声明,几乎用了同样的语言,完全背弃了股票收益率与债券收益率的比较,称市场心理才是预测的最佳依据。这发生在 1928 年的某个时候,他们坚持这一观点直至 1929 年的大崩盘。

My chief reason for mentioning this incident is that I had just spent a lot of time studying the weekly analyses of the stock market by one of our oldest financial services which started in 1909 (Graham is referring to Moody’s, then known as Moody’s Investors Services.) and I found the identical experience took place just thirty years before in this service (whose name I also won’t mention). For many years they talked about the standard relationship between stock yields and bond yields, and they used it to determine the probable top levels for the stock-market advances. In the great bull market of the late 1920s this relationship proved to be very unreliable as a short-term market forecaster. So they too, in a spectacular statement using almost the same language, turned their back completely on the comparison of stock yields and bond yields and said that the market’s psychology was the best basis for forecasting. That happened sometime in 1928, and they stuck to this viewpoint to the Great Crash of 1929.

当前的关系显示,股票的收益率远低于债券。高等级债券的收益率约为 4.3%,而股票的平均收益率略高于 3%。

The present relationship gives considerably lower yields on stocks than on bonds. High-grade bonds yield about 4.3% while the stock averages yield a little bit more than 3%.

鉴于这种关系已经持续了五年,它是代表着一种未来的永久性关系,还是仅仅表明股票市场已经明显被高估了五年,就像 1949-1954 年期间它明显被低估一样?

Because that relationship has existed for the past five years, does it represent a permanent relationship for the future, or is it only an indication that the stock market has been clearly overvalued for five years, in the same way that it was clearly undervalued during the period 1949-1954?

这是一个数十亿美元的问题。你无法从数学中得到答案;也无法从我这样的专家或任何其他人那里得到答案;所以你必须自己回答这个问题。

This is the many-billion-dollar question. You won’t be able to get the answer to that mathematics; you won’t be able to get it from an expert such as me or anybody else; so you’ll have to answer that question yourself.

但想到股票市场在过去五年里可能被高估,正如十五年前它被低估一样,这便引出了我列举的第三种可能,即未来我们仍将经历大幅波动。

But the thought that the stock market may have been overvalued in the last five years, just as it was undervalued fifteen years ago, brings us to the third possibility which I enumerated, namely that we are still going to have wide fluctuations in the future.

我认为这是最可能的情况,尽管远非确定。我之所以认为我们将会有这些大幅波动——1962 年我们曾尝到过滋味,尤其是 5 月(1962 年 5 月 28 日,道琼斯指数下跌 7.8%;当月,标普 500 指数下跌 8.1%。参见 http://jasonzweig.com/back-to-the-future-lessons-from-the-forgotten-flash-crash-of-1962/)——是因为我看不到人性相对于股票市场有任何改变,足以让公众行为展现出比过去几十年更多的克制。公众在 1960-1961 年那场低等级新股狂潮中的行为,便是其内在缺乏克制的一个例证。

This I consider the most probable one, though it is far from certain. My reason for thinking that we shall have these wide fluctuations – of which we had a taste in 1962, in May particularly On May 28, 1962, the Dow fell 7.8%; for the month, the S&P 500 lost 8.1%. See http://jasonzweig.com/back-to-the-future-lessons-from-the-forgotten-flash-crash-of-1962/ – is that I don’t see any change in human nature, vis-à-vis the stock market, which is sufficient to establish more restraints in the public’s behavior than it showed over so many decades in the past. The actions of the public with respect to low-grade new issues during the 1960-1961 extravaganza in that field are an indication of its inherent lack of restraint.

你还应该记住,许多最高等级的普通股也曾因市场狂热而被推至过高水平,随后又经历了大幅下跌。

You ought to remember, also, that many of the highest-grade common-stock issues were forced up to excessive levels by a market enthusiasm which produced large subsequent declines.

让我给你举几个例子:在我看来,最令人印象深刻的是国际商业机器公司(International Business Machines),它无疑是整个市场中领先的普通股。投机热情将其推高至 1961 年 12 月的 607 美元,此后在 1962 年 6 月又跌至 300 美元——短短六个月间下跌超过 50%。通用电气(General Electric),作为历史最悠久的高等级投资型普通股,从 1960 年的 100 美元高点跌至 1962 年的 54 美元。陶氏化学(Dow Chemical),我们最好的化工公司之一,从 101 美元的高点跌至 40 美元的低点。而美国钢铁(U.S. Steel),一位昔日的领导者,从 1959 年的 109 美元缩水至 1962 年的 38 美元低点。

Let me give you some examples: The most impressive to my mind was that of International Business Machines, which is indubitably the leading common stock in the entire market. Speculative enthusiasm pushed it up to 607 in December 1961, from which it declined to 300 in June 1962 – a fall of more than 50% in the short period of six months. General Electric, which is the oldest high-grade investment common stock, declined from a high of 100 in 1960 to 54 in 1962. Dow Chemical, one of our best chemical companies, fell from a high of 101 to a low of 40, and U.S. Steel, which is an old leader, shrank from 109 in 1959 to a low of 38 in 1962.

这些极为宽幅的震荡凸显了一个事实:股票市场本质上与过去并无二致,依然会在某些时候被显著高估,毫无疑问在另一些时候又被显著低估。

These very wide swings underline the fact that the stock market is basically the same now as it always was, in the sense that it is still subject to very substantial overvaluation at some times and undoubtedly substantial undervaluation at others.

我的基本结论是,投资者以及投机者都必须在思想上和政策上做好准备,应对价格向任一方向的巨大变动。他们不应被那些安抚性的说法所迷惑,比如说真正的投资者不必担心股票市场的波动。

My basic conclusion is that investors as well as speculators must be prepared in their thinking and in their policy for wide price movements in either direction. They should not be taken in by soothing statements that a real investor doesn’t have to worry about the fluctuations of the stock market.

现在,我该就股票市场当前水平可能的走势谈一点浅见。毫无疑问,这是最能引起听众兴趣的一点,而恰恰是在这一点上,我所能提供的启迪最少。

It is time now to say what little I can say about the probable course of the stock market from the present level. No doubt that is the point which would interest the audience most and on which I can be the least enlightening.

在我看来,当前的股票市场与 1961 年 12 月大致处于相同水平时的市场之间存在一个重要区别。当时,我毫不犹豫地预测,新股市场将在近期内必然崩溃,因为它已因投机过度而超出了所有界限。而如果新股市场崩溃,它必然会在某种程度上严重冲击股票价格的总体水平;它甚至可能引燃我内心期待已久的熊市。

In my view there is an important difference between the present stock market and the market at more or less the same level in December 1961. At that time I had no hesitation about predicting that then there would have to be a fairly near-term collapse of the new-issue market, which had passed all bounds in speculative excesses. And if that collapsed it would surely affect in some serious way the general level of stock prices; it might possibly usher in the bear market which inwardly I have been expecting for some time past.

新股市场如期崩溃,并对市场其余部分产生了重大的不利影响。但市场在相对较短的时间内开始了复苏,并将市场平均指数推升至新高,这违背了我内心的预期,但并未违背我做出的任何具体预测。

The new-issue collapse came per schedule and it did have a major adverse effect on the rest of the market. But a recovery began in a comparatively short period of time, and it has carried the market averages to new heights, which were contrary to my inward expectations but not to any specific predictions which I made.

我想指出的是,我最后一次做出股票市场预测是在 1914 年,当时我的公司 Newburger, Henderson & Loeb(格雷厄姆大学毕业后 20 岁立即开始在此工作;在他的回忆录中,他将写那封信称为“我最愚蠢的工作之一”。参见 http://amzn.to/2tk0fKj)认为我有资格撰写他们的每日市场报告,理由是我在华尔街有一个月的经验。自那以后,我便放弃做预测了。

I would like to point out that the last time I made any stock-market predictions was in the year 1914, when my firm Newburger, Henderson & Loeb, where Graham began working immediately after his graduation from college at age 20; in his memoirs, he called writing the letter “one of my silliest jobs.” See http://amzn.to/2tk0fKj  judged me qualified to write their daily market letter, based on the fact that I had one month’s experience in Wall Street. Since then I have given up making predictions.

现在重要的点是,当前市场的高位并未伴随 1961 年那种使市场显得如此脆弱的新股市场及其他方面的过度行为。华尔街的普遍看法是,股票市场要再次崩盘——或者真正的熊市要开始(如果使用“熊市”这个脏字不违法的话)——必须再次出现这些典型的弊病。这些弊病包括大量不懂行的小散户参与、高保证金借款、新股热再次兴起等等。这种说法基于经验听起来似乎合理,因此人们可能会猜测,市场总体上涨趋势很可能还会持续相当一段时间。

The important point now is that the current high levels of the market are not accompanied by those excesses in the new-issue market and in some other directions which made it appear so vulnerable in 1961. It is the general view in Wall Street that such characteristic abuses must develop again before the stock market can have another collapse – or before a true bear market can begin (if it isn’t against the law to use the dirty words “bear market”). These abuses would include large public participation by small people who don’t know what they are doing, high borrowings on margin, the renewal of the new-issues spree, and so on. Now this contention sounds plausible enough based on experience, and so one might guess that the market could well continue general upward for quite a while.

但让我“郑重指出”,理论上讲,仅凭市场的高位本身,迟早就可能引发崩盘,而无须这些技术性弱点先行暴露。崩盘可能由某种不利的经济或政治发展触发。但如果事情真的这样发生,我相信,这将是市场史上第一次,在没有我提到的那种过度行为和弊病的情况下,牛市宣告终结。但凡事总有第一次。

But let me point out “for the record” that it is not possible in theory that the market’s high level alone could sooner or later precipitate a collapse without the necessity for these technical weaknesses to show themselves. The collapse might be triggered by some untoward economic or political development. But if things do happen that way it will be the first time in market history, I believe, that we would have the end of a bull market without the excesses and abuses of the sort I have mentioned. But there is always a first time for everything.

那么,我关于当前市场水平的看法必然是不确定的。我将基于以下假设来提出后续的政策建议:投资者无法对未来一年左右的市场走势形成可靠看法,但很可能在未来某个时候再次发生一次大的、令人不安的下跌,我们应在思想和行动上为此做好准备——这是投资者、以及明智的投机者(如果存在的话)必须做出的假设。

My opinion then regarding the present market level must be rather inconclusive, and I shall base my later prescription of policy on the assumption that investors cannot have a dependable view on the market’s future action in the next year or so, but that a large and disturbing decline is likely to take place again sometime in the future, and that we should be prepared in thought and action for it, it is a necessary assumption for investors to make, and for sensible speculators too if there are any such.

第二个论断——即不存在真正的“股票市场”,只有华尔街人士喜欢说的“个股的市场”——值得稍作讨论。他们这样说是指,投资结果仅取决于个股的表现,有些会涨,有些会跌;而谈论整体市场对投资者表现有重大影响,是一种幻觉。我基于三个理由不同意这种观点。

The second claim — which is that there is no real “stock market” but only, as the Wall Street people like to say, a “market of stocks” — deserves a moment or two of discussion. What they mean by saying this is that investment results depend only on what happens to individual securities, some of which will go up and others down, and that it is illusory to talk about what happens to the market as a whole as having a major bearing on how the investor fares. I disagree with that point of view on three grounds.

第一个理由是,我怀疑在这方面,市场与过去相比真的有如此巨大的不同。我对 1928 年和 1929 年的市场还有些记忆,我相信当时表现好与表现差的股票之间的差异和多样性,几乎和我们现在看到的一样大。但尽管如此,投资者仍必须基于对整个股票市场总体水平的看法来指导行动。

The first is that I doubt that the market is really so much different in this respect from what it always was in the past. I have some recollection of the market in 1928 and 1929, and I am sure that the disparity and diversity of stocks between those that acted well and those that acted poorly was almost as great then as we see now. But despite that fact it was essential for investors to be guided by a view as to the general level of the stock market.

令我惊讶的是,华尔街人士竟没有花时间研究一下近些年个股价格波动的离散程度与往年相比有何变化。(我在加州大学洛杉矶分校有一个学生正准备做这项研究,结果可能会相当有启发性。)

It is surprising to me that Wall Street people haven’t taken the time to make a study of the spread in price movements between individual stocks in recent years as compared with what happened in former years. (I have a student at UCLA who is going to make this study and it may prove quite illuminatory.)

第二个理由是,如果你用两个看似不同的平均指数来衡量市场走势,实际上会发现在股票市场中存在着相当大的潜在一致性。一个是道琼斯工业平均指数,它只由 30 只股票组成;另一个是标普 500 综合指数,由 500 只股票组成。

The second reason is that there is actually a considerable underlying consistency in the stock market if you measure its movements by comparing two averages which seem to be quite different. One of them is the Dow Jones Industrial Average, which consists of only 30 stocks, and the other is the Standard & Poor’s Composite, which consists of 500 stocks.

你可能觉得,如果不同股票的价格波动具有潜在差异性,那么只包含 30 只股票的平均指数,表现自然会与包含 500 只股票的指数不同。但如果你观察一下目前大多数报纸给出的两种平均指数的波动情况,你会发现,它们的变动几乎十有八九是同步的——这意味着几乎每天、每月、每年,它们都如出一辙。过去十年间,道琼斯工业平均指数从 1953 年的中点 275 点上涨到 750 点,而标普 500 指数则从 24.7 点上涨到 73.5 点。有趣的是,这个看似杂乱的 500 只股票组合,实际上涨幅比道琼斯指数中的优质或蓝筹股还要稍好一些。这表明,你无法事先断定任何一组股票相对于其他组别,未来会有什么样的表现。

You might well assume that if there is an underlying diversity of price movements then an average including only 30 stocks would certainly behave different from one embracing 500. But if you observe the fluctuations in both averages, now given by most newspapers, you get virtually a ten-to-one change, which means a parity change, almost day by day and certainly month by month and year by year. In the past ten years the Dow Jones average rose from a 275 midpoint in 1953 to 750, while the Standard & Poor’s 500 index rose from 24.7 to 73.5. An interesting point is that the apparently miscellaneous group of 500 issues actually had a slightly better advance that the gilt-edge or blue-chip stocks in the Dow Jones Industrial Average. This indicates that you cannot tell a priori what any group of stocks is going to do over the future in comparison with any other.

我认为,投资者不应过分强调个股选择、忽视股市整体水平,第三个也是最重要的原因在于:没有任何证据表明,投资者通过自己的挑选或听取专家建议,能够做到比市场平均表现更好。

I think the third and most important reason why the investor should not be led to emphasize his selection of individual stocks, and to neglect the general level of the stock market, is the fact that there is no indication that the investor can do better than the market averages by making his own selections or by taking expert advice.

这一悲观论断的强力支持,来自投资基金的记录。这些基金汇聚了国内最顶尖的金融头脑,投入了巨额资金、时间和精心策划的努力。记录显示,整体来看,这些基金很难赶得上道琼斯工业平均指数那 30 只股票或标普 500 指数的表现。

The outstanding support for that pessimistic statement is found in the record of the investment funds, which represent a combination of about the best financial brains in the country, and a tremendous expenditure of money, time, and carefully directed effort. The record shows that the funds have had great difficulty as a whole in equaling the performance of the 30 stocks in the Dow Jones Industrial Average or the Standard & Poor’s 500-Stock Index.

如果某个投资者能通过某种粗略的分散化投资,构建出一个接近这些平均指数的投资组合,那他完全有理由期待,自己的结果会与那些投资基金经理们极其明智和谨慎的股票选择所取得的成果差不多。但共同基金之所以存在的重要原因,正是绝大多数投资者实际上并没有遵循这样一条健全而简单的策略。

If an investor had been able, by some rough across-the-board diversification, to make up a portfolio approximating these averages, he would have had every reason to expect about as good results as were shown by the very intelligent and careful stock selections by the investment-fund managers. But the great justification for the mutual funds is that very few investors actually do follow such a sound and simple policy.

我必须不情愿地表示,我对经济预测、股市预测以及专家挑选普通股的普遍效果,持某种怀疑态度——尤其当这些手段与从中获取投资和投机利润相关时。

I must reluctantly express some skepticism about the general efficacy of economic forecasting, of stock-market forecasting, and of expert selection of common stocks, in their relation to the investment and speculative profits which can be made therefrom.

让我给出理由:首先,我认为,但凡一项经济预测看起来可靠(通常只限于短期),其影响很可能已经反映在市场价格中,你无法由此获利。例如,我们无法因为 1964 年的预测向好,就说今天应该买入普通股。如今普通股的价格,大家都知道,已经反映了市场对 1964 年普遍看好的预期。另一方面,较长期的经济预测总体上已被证明不可靠。

Let me give you my reasons: I say first that to the extent that an economic forecast appears dependable — and it is generally so only for the short term — its effect is likely to be already reflected in the market level, and there is no way to make money from it. For example, we cannot say because the forecast for 1964 is favorable that common stocks should be bought today. The price of common stocks today, as everybody should know, reflects the general expectation of a good 1964. On the other hand, longer-term business forecasts have proven unreliable on the whole.

类似地,再看个股的情况:某只股票受到我证券分析师同行中的某位青睐,是因为他对该股票未来的盈利和总体前景感到乐观。如果投资者大体上都认同这家公司有良好的未来前景,那么这种前景也很可能已完全反映在市场价格中,甚至可能过度反映了。

Similarly, take the case where an individual stock is favored by one of my own fraternity of security analysts because he is optimistic about its future earnings and general prospects. To the extent that investors generally agree that this company has good future prospects, to that extent its prospects are also likely to be fully reflected and perhaps over-reflected in the market price.

有时你会遇到相反的情况:一个华尔街人士会说:“没人喜欢这只股票,没人对它抱有信心,但我对它有信心,而且我知道它未来的业绩会更好。”如果这是真的,那会是一个有趣且有价值的结论。问题在于,大多数情况下,你无法依赖它的可靠性。这个人说某只冷门股票未来会很好,他可能对,也可能错。这正是所有投资者在试图通过预测任何一只证券的未来前景来获利时所面临的困境。

Sometimes you find the contrary case where a Wall Street man can say, “Nobody likes this stock, nobody has confidence in it, but I have confidence in it and I know its results are going to be better in the future.” That’s an interesting and valuable conclusion if true. The trouble is that in most cases you can’t rely on its dependability. The man may be right or he may be wrong in saying that some unpopular stock is going to have a very good future. That is the dilemma all investors face in trying to make money out of forecasts as to the future prospects of any individual security.

至于股市预测本身,作为一种独立的行业或消遣,我认为没有任何可靠证据表明,某种公认且公开使用的股市预测方法可以依赖,并能带来盈利。

Now, with respect to stock-market forecasting as such, as a separate occupation or amusement, I don’t think there is any good evidence that a recognized and publicly used method of stock-market forecasting can be relied upon to be profitable.

让我用著名的“道氏理论”来说明我的意思,这是最知名的股市预测方法之一。我曾对应用道氏理论的机械概念所产生的结果做过仔细研究——这一理论通过平均指数向上或向下突破阻力位,给出明确的买卖信号。我发现,当我研究 1898 年到 1933 年这大约 35 年的记录时,遵循这种机械方法的结果异常好。对于近期的分析,可参见 http://viking.som.yale.edu/will/dow/dowpage.html。

Let me illustrate what I mean by reference to the famous “Dow Theory,” which is the best-known of the methods used for forecasting the stock market. I made some elaborate studies of the results of applying the mechanical concepts of the Dow Theory, in which you have well-defined signals to buy and sell stocks by the movement of the average through resistance points upward or downward. I found that when I studied the record from 1898 to 1933, a period of about 35 years, the results from following this mechanical method were remarkably good. For a recent analysis, see http://viking.som.yale.edu/will/dow/dowpage.html.

大约在 1933 年,当时道氏理论已证明自己在处理 1920 年代和 1930 年代初的市场行为时非常有用,公众对该理论的兴趣大大增加。在此之前,它更像是一种只有少数忠实信徒遵循的秘传法则,其他人都对其相当怀疑。1933 年之后,道氏理论变得极为流行。我研究了 1933 年之后,在市场上运用完全相同方法的结果,并发现,特别奇怪的是,在接下来的 25 年里,没有一次能够通过机械地遵循道氏信号获利。我的意思是,你永远无法以低于卖出的价格买回股票。

About 1933, the time when the Dow Theory had shown itself a very useful method for dealing with the market action in the 1920s and early 1930s, the public’s interest in the theory increased enormously. Previously it had been a kind of esoteric prescription followed by only a few devoted adherents, and about which everybody else had been pretty skeptical. The Dow Theory became extremely popular after 1933. I studied the consequences of using exactly the same method in the market after 1933, and I found peculiarly enough that in no case in the next 25 years did one benefit through following the Dow signals mechanically. By this I mean that one was never able to buy his stocks back at a lower price than he sold them for.

如你所知,如今仍有不少从业者和服务机构在运用道氏理论。我想他们都会告诉你,现在它不再是一个机械理论,解释信号时必须加入大量的判断因素。但一旦引入判断因素,它就不再是真正的理论了,你有的只是一种可能可靠、也可能不可靠、可能有用的专业技能。

As you know, the Dow Theory is still pursued by a number of practitioners and services. I think all of them will tell you that it is not a mechanical theory now, and that a large element of judgment has to enter in the interpretation of the signals. But once you introduce that element you don’t have a true theory anymore, you just have a certain expertise which may or may not be dependable and useful.

现在,让我做一个总体观察。出于显而易见的原因,投资者作为一个整体,因而也就是普通投资者或投机者,不可能比整个市场做得更好。原因很简单:你就是市场本身,你不可能比你自己做得更好。

Let me now make a general observation. For obvious reasons it is impossible for investors as a whole, and therefore for the average investor or speculator, to do better than the general market. The reason is that you are the general market and you can’t do better than yourselves.

但我确实相信,少数投资者有可能取得显著优于平均水平的成绩。这需要两个条件。第一,他们必须遵循一些与证券价值相关、而非与其市场价格行为相关的健全选股原则。第二,他们的操作方法必须与大多数证券买家有根本不同。他们必须与普通大众划清界限,把自己归入一个特殊类别。这一点我稍后会简要提及。

I do believe it is possible for a minority of investors to get significantly better results than the average. Two conditions are necessary for that. One is that they must follow some sound principles of selection which are related to the value of the securities and not to their market price action. The other is that their method of operation must be basically different from that of the majority of security buyers. They have to cut themselves off from the general public and put themselves into a special category. I will touch more briefly on that point later.

现在,让我总结一下到目前为止的内容。投资者需要在投资组合中持有普通股;但这会带来大幅波动的风险,除非他能独立思考、不与大众为伍,也就是说,除非他本质上与普通人不同,否则他无法指望比别人更成功地规避这些风险。

Now, let me summarize up to this stage. The investor needs common stocks in his portfolio; but these introduce hazards of wide fluctuations which he cannot expect to avoid more successfully than others unless perhaps he thinks independently from the crowd, that is unless he is constitutionally different from the average.

二、投资策略

II. Investment Policy

现在让我进入第二部分:在上述条件下,应该遵循什么样的投资策略。

Now let me come to part two: what investment policy to follow under the conditions discussed.

对此,我的观点明确而坚定。在华尔街近五十年的经验中,我发现,我对股市未来走势的了解越来越少了,但对投资者应该做什么却知道得越来越多了;这从态度上说,是一个相当重要的转变。

My views thereon are definite and strong. In my nearly fifty years of experience in Wall Street I’ve found that I know less and less about what the stock market is going to do but I know more and more about what investors ought to do; and that’s a pretty vital change in attitude.

第一点:由于当今世界充满不确定性,投资者必须始终把资金分配到债券和股票(现金和各种有息存款可视为债券的等价物)之间。

The first point is that the investor is required by the very insecurity ruling in the world of today to maintain at all times some division of his funds between bonds and stocks (cash and various types of interest-bearing deposits may be viewed as bond equivalents).

我的建议是,投资组合中普通股的最低比例应为 25%,最高应为 75%。相应地,债券的最高持有比例为 75%,最低为 25%——数字正好反过来。投资组合结构的任何变动,都应限制在这 25% 和 75% 的范围内。任何此类变动,都应当明确基于价值考量:当市场相对于价值显得偏低时,他会增加普通股的持有;当市场相对于价值显得偏高时,他会减少普通股的持有。关于该话题的更多讨论,可参见《聪明的投资者》第四章。

My suggestion is that the minimum position of this portfolio held in common stocks should be 25% and the maximum should be 75%. Consequently the maximum holding of bonds would be 75% and the minimum 25% — the figures being reversed. Any variations made in his portfolio mix should be held within these 25% and 75% figures. Any such variations should be clearly based on value considerations, which would lead him to own more common stocks when the market seems low in relation to value and less common stocks when the market seems high in relation to value. For more discussion on this topic, see Chapter Four in “The Intelligent Investor.”

尽管这是投资界权威人士的经典说法,但令人惊叹的是,有太多人的想法恰恰相反。1962 年 5 月股市暴跌后不久,一位储蓄贷款公司的代表来找我提问,这让我深有体会。他问我的第一个问题是:“你不觉得,由于市场下跌,现在的普通股比以前更不安全了吗?”这让我目瞪口呆。居然有金融界人士会认真认为,股票因为价格下跌就变得比价格上涨之后更不安全。

Now while this is the classic language of investment authorities, it is amazing how many people think in exactly opposite terms. That was brought home to me shortly after the May 1962 break when a savings-and-loan company representative came to me with questions. The first question he asked me was, “Don’t you think that common stocks now are less safe than before because of the decline in the market?” That hit me between the eyes. Here were financial people who could seriously consider that stocks were less safe because they have declined in price than they were after they had advanced in price.

我提出的策略——当市场按价值标准显得偏低时多持有普通股,显得偏高时少持有——显然与一般投资者的心理相悖,而且永远与投机者的心理相悖。当前尤其如此,因为投资和投机之间存在巨大混淆,我稍后会提到这一点。我想,对于大多数投资者来说,在市场低位时多持有普通股、高位时少持有,是一个“完美之策”。但许多投资者可以将其作为一条不变规则来遵循:不应随着市场上涨而增加投资组合中普通股的比例——当然,市场本身的上涨所导致的持股比例增加除外。

The policy I propose, to have more common stocks when the market seems to be low and less when it seems to be high by value standards, is obviously opposed to the psychology of investors generally and to that of speculators always. It is particularly true now because of the great confusion between investment and speculation which I shall refer to later. I suppose the idea of having more common stocks at low levels than at high levels is a “counsel of perfection” for most investors. But it could be followed by many investors to the extent of an inflexible rule that they should not increase the percentage of common stocks in their portfolio as the market advances, except of course through the rise in the market itself.

然而,一个更精细的运用方法,可以利用市场上涨的机会来卖出,大致如下:在债券和股票之间保持固定的 50-50 比例。当股票的市场水平上涨到占总资产的 55% 或 60% 时,你就卖出足够多的股票,将比例降回 50%,并把所得资金转回债券或储蓄银行。反之,当市场下跌,导致你的普通股比例降至 45% 或 40% 时,你就动用部分债券资金买入普通股,将其比例恢复至 50%。

However, a more sophisticated application, which would take advantage of a rise in the market level for sales, could be something like this. Use a fixed 50-50 division between bonds and stocks. When the market level of the stocks rises to a point where they constitute 55% of the total or maybe 60%, you would then sell out enough to bring your proportion back to 50%, putting the proceeds back into bonds or into savings banks. And conversely when the market went down so that your common-stock proportion had fallen to 45% or 40%, you would use some of your bond money to buy common stocks and bring it back to the 50%.

这就是著名的耶鲁大学体系,它是最早的公式化方法之一。他们采用 35% 的比例投资普通股,在当时,对于一个学术机构来说,这个比例被认为相当激进。当市场上涨使比例达到 40% 时,他们卖出八分之一的持股,使其回到 35%;当市场下跌到 30% 时,他们买入六分之一的股票,将比例再次提升到 35%。在股市大幅上涨之前,这是一个不错的体系,后来,他们觉得自己的普通股配置太少。现在,我认为,和其他大学一样,他们的比例已上升到 50% 到 55%,而且他们不再遵循这个公式了。

That was the famous Yale University system, which was one of the earliest formula methods known. They used a 35% basis for common stocks, a percentage which at that time was regarded as pretty rash for an institution of learning. When a market rise brought it up to 40% they sold out one-eighth of their holdings to get it back to 35%; when it went down to 30% they bought one-sixth to bring the ratio up again to 35%. It was a good system until the market ran away on the upside, and then they decided they had too little in common stocks. Now they are up to 50% to 55% ratio, like the other universities, I think, and they don’t follow the formula anymore.

另一种从不同角度出发且切实可行的方法是“美元成本平均法”,即年复一年或每季度投入相同金额购买普通股。这样,当市场水平较低时,你买入更多的股票;当市场水平较高时,你买入的股票就较少。对于那些拥有(a)资金、(b)时间,以及(c)无论市场涨跌,都能坚持执行一贯政策所需品格的人来说,这种方法效果极佳。如果你能做到这一点,你的投资就一定能取得令人满意的成功。

Another approach that is practicable, but from a different point of view, is the “Dollar Averaging” method, in which you put the same amount of money in common stocks year after year, or quarter after quarter. In that way you buy more shares of stocks when the market level is low and fewer shares when it’s high. That method has worked out extremely well for those who have had (a) the money, (b) the time, and (c) the character necessary to pursue a consistent policy over the years regardless of whether the market has been going up or down. If you can do that you are guaranteed satisfactory success in your investments.

我再补充一点,这种方法有无数变体,统称为“公式计划”。这里的关键在于,投资者需要选择某种符合自己观点的规则,一个能让他远离麻烦的规则,而且,我坚持认为,这个规则必须保证,无论市场水平涨到多高,他始终对普通股保持一定兴趣。因为,如果你遵循了某种老式公式,在市场的某个水平上完全清仓普通股,那么,因随后的上涨而产生的巨大失望,很可能足以让你在余生中,从理性投资的角度来看,彻底崩溃。

Let me add that there are countless variants of this type, which are called “formula plans.” The main need here is for the investor to select some rule which seems to be suitable for his point of view, one which will keep him out of mischief, and one, I insist, which will always maintain some interest in common stocks regardless of how high the market level goes. For if you had followed one of these older formulas which took you out of common stocks entirely at some level of the market, your disappointment would have been so great because of the ensuing advance as probably to ruin you from the standpoint of intelligent investing for the rest of your life.

III. 证券选择

III.  Security Selection

现在,让我来谈谈证券选择的问题。我们已经讨论了债券部分(和/或现金等价物部分)以及普通股部分。在债券部分,选择很多,但在大多数情况下,这个决定并不那么重要。在应税投资清单中,你可以将资金投入 3.5% 收益率的美国储蓄债券,并可随时赎回;你可以购买约 4.1% 收益率的长期美国国债(应税);你可以购买 4.3% 收益率的高等级长期公司债券,如果你稍加挑选,可能达到 4.5%;你可以将资金存入商业银行的储蓄存款,持有一年可获得高达 4.25% 的利息;你还可以购买储蓄和贷款协会的股票(注意,它们是股票而非存款),目前在加利福尼亚州,其收益率高达 5%。

Now let me come to the problems of security selection. We have talked about a bond component (and/or a cash-equivalent component) and a common-stock component. There’s a wide choice in the bond component, but the decision is not of too much importance in most cases. In the taxable list, you can put your money in U.S. savings bonds, at 3.5%, which you can redeem at will; you can buy long-term U.S. government bonds at about 4.1% taxable; you can buy high-grade, long-term corporate bonds at 4.3%, or 4.% if you do a little selecting; you can have savings deposits in commercial banks which give you up to 4.25% if held for one year; you can buy savings-and-loan shares (bear in mind that they are not deposits but shares) which now yield up to 5% in California.

另一个非常重要的选择是免税的州和市政债券,对于质量良好且期限较长的品种,收益率可达约 3.5%。

Another choice of great importance are tax-free state and municipal bonds, which yield up to about 3.5% for good quality and long maturity.

对于大多数税率超过 30% 的投资者来说,多年来,免税债券一直是最具吸引力的。实际上,它们在某种程度上是给投资者的一份礼物,但投资者此前并未像对待应税债券那样充分利用这份礼物。

For most investors who are in a tax bracket of more than 30%, tax-free bonds have been the most attractive for many years. They actually were in part a gift to the investor of which he didn’t take advantage up to the extent he should have as against taxable bonds.

这种优势已经减弱,因为免税债券相对于其他债券的价格已经上涨,但对于富裕人士来说,它仍然很有说服力。我想指出的是,在 1953 年,市政债券的收益率为 2.93%,而应税的美国政府债券为 3.08%,尽管后者需全额纳税,但收益率几乎相同。到了 1963 年 10 月,市政债券的平均收益率为 3.28%,而美国政府债券为 4.06%,所以,你看,与持有美国政府债券相比,过去持有免税债券的投资者获得了多大的优势。

That advantage has diminished, because tax-free bonds have advanced relative to others, but it is still persuasive for people of substantial means. I would like to point out that in 1953 municipal bonds yielded 2.93% and U.S. government taxable bonds 3.08%, nearly the same return despite the full tax on the governments. In October 1963 the municipal average was 3.28% and that of U.S. government bonds 4.06%, so you see the advantage that has accrued to the past holder of tax-free bonds as compared with U.S. governments.

有一个投资者面临的问题我不想深入探讨,也很高兴没时间探讨,那就是他是否应该利用加利福尼亚州某些储蓄和贷款协会提供的 5% 利率。

One question for the investor which I won’t go into, and I am glad I haven’t got the time to do it, is whether he should take advantage of the 5% rate offered by some of the savings-and-loan associations in California.

我声明一下,我不是储蓄和贷款协会方面的专家,也不想卷入目前关于其经营方法是否完全稳健、前景是否完全可靠的争议。我只想泛泛地说,任何人都不能假定,从一种收益率 5% 的标准类型投资中,他能获得与收益率 4% 的投资完全相同的安全性和可靠性。

Let me say that I am not an expert on savings-and-loan associations, and I don’t want to get drawn into the controversy that has now begun as to whether their methods are completely sound and their prospects are completely dependable. I just want to say in general terms that nobody can assume that he can get exactly the same degree of safety and dependability in a standard type of investment yielding 5% as in one yielding 4%.

关于优先股,重要的一点是,它们不应出现在个人投资者的投资组合中。原因在于,优先股对企业投资者有巨大的税收优势,而个人投资者没有。企业投资者可以节省这些股息 85% 的税;个人投资者节省的金额很小,而且根据新法律,这点好处可能很快就会消失。

With respect to preferred stocks the important point is that they do not belong in the individual investor’s portfolio. The reason is they have a great tax advantage for corporate owners which they don’t have for individual owners. Corporate owners save 85% of the tax on these dividends; individual owners save a very small amount, which may disappear pretty soon in the new law.

显然,优先股只应被机构投资者购买,就像免税债券只应被需要缴纳所得税的人购买一样。你可能注意到了,上周,一家公用事业公司同时发行了债券和优先股,收益率几乎相同,而此前,优先股的收益率总是远高于其级别较低的债券。优先股对企业购买者的巨大税收优势,如今终于姗姗来迟地在其相对收益率上显现出来。

It should be obvious that preferred stocks should be bought only by corporate investors just as tax-free bonds should be bought only by people who pay income tax. You may have noticed last week that one of the public-utility companies offered a bond issue and a preferred-stock issue at practically the same yield, although hitherto preferred stocks have always yielded quite a bit more than the bonds to which they were junior. The great tax advantage of preferred stocks to corporate buyers is now belatedly showing its effect on relative yields.

我们最后来谈谈普通股投资。我的建议是,投资者要么自己挑选一个由 20 到 30 家具有代表性的领先公司组成的投资组合,要么将资金投入几家信誉良好的共同基金。(对于精明的投资者来说,通常有一个优势,就是在纽约证券交易所购买封闭式投资公司的股票,当这些股票能以低于资产净值的折扣价买到时,比支付溢价购买大多数开放式基金份额更划算。)

We come finally to common-stock investment. My recommendation is that the investor choose either his own list of, say, 20 or 30 representative and leading companies, or else put his money in several of the well-established mutual funds. (There is usually an advantage for the shrewd investor in buying shares of the closed-end investment companies on the New York Stock Exchange, when obtainable at discounts from net asset value, rather than paying the premium added onto the price of most open-end shares.)

许多投资者会认为我的建议过于简单。既然用这种简单的方法就能获得与市场平均水平相当的结果,他们难道不应该通过谨慎且专业的顾问来挑选股票,试图获得更高的回报吗?

Many investors would think my prescription too simple. If they can get results equal to the averages in this easy way shouldn’t they try to get a substantially higher return by careful and competently advised selection?

我简短的回答已经给出:如果整体投资资金都无法战胜市场平均水平,那么即使是相当聪明的投资者,作为一个整体也无法做到。选择股票的根本问题在于,“好股票”——主要是那些前景优于平均水平的成长股——往往定价充分,甚至经常定价过高。另一方面,在热潮来临时,新发行的股票很可能兼具四流品质和荒谬的高市盈率。在这两个极端之间,存在更好的机会,但大多数投资者不会在那里寻找。

My short answer has already been given: If the investment funds as a whole can’t beat the averages, even pretty clever investors as a whole can’t do it either. The underlying problem of selection is that the “good” stocks — chiefly the growth stocks with better-than-average prospects — tend to be fully priced and often overpriced. At the other extreme, new stock offerings, when the craze is on, are likely to combine fourth-rate quality with absurdly high price/earnings ratios. There are better opportunities between these extremes, but most investors don’t look for them there.

IV. 投资与投机

IV.  Investment vs. Speculation

在我看来,普通股的根本问题在于,市场通过为最强、最好的公司设定难以维持的高价,将大量的投机元素注入了这些公司。(IBM 股价升至 607 美元,随即又跌至 300 美元,是说明我观点最好的例子。)这大大加剧了投资与投机之间的混淆,因为人们很容易告诉自己,一家好公司的股票,无论价格如何,始终是稳健的投资。由此很容易迈出下一步,即把所有全额购买股票的人都称为投资者,最终把华尔街的每一位顾客都称为投资者——仅此而已。关于投资与投机的区别,更多内容请参阅《聪明的投资者》第一章。

As I see it, the fundamental problem in common stocks is the market’s injection of a large speculative element into the strongest and best companies by establishing an untenably high price for them. (The rise of IBM to 607, soon followed by a fall to 300, is the best illustration of my point.) This has added greatly to the confusion between investment and speculation, because it is easy to tell oneself that the shares of a good company are always a sound investment, regardless of price. From this it was an easy step to calling everyone an investor who bought his shares outright, and finally to calling every Wall Street customer an investor — period. For more on the distinction between investment and speculation, see Chapter One in “The Intelligent Investor”.

我最近一直在努力说服华尔街,他们将“投机”一词从词汇表中抹去是一个错误,并且伤害了自身。投机本身并不坏;过度投机才坏。公众应该相当清楚地了解自己在多大程度上进行投机,这不仅包括以完全愚蠢的价格买入“热门新股”,也包括以高达其历史最高盈利 70 倍的价格买入像 IBM 这样优秀公司的股票。

My recent crusade has been to persuade Wall Street that it has made a mistake, and harmed itself, in suppressing the word “speculation” from its vocabulary. Speculation is not bad in itself; overspeculation is. It is important that the public should have a fairly good idea of the extent to which it is speculating, not only when it buys a “hot issue” at a completely silly price, but even when it buys into a wonderful concern such as IBM at 70 times its highest recorded earnings.

在我看来,证券分析师对投资艺术所能做出的最有价值的贡献,就是确定任何一只给定普通股当前价格中的投资成分和投机成分,以便有意向的买家能大致了解他所承担的风险以及可能获得的利润。

To my mind the most valuable contribution that security analysts could make to the art of investing would be the determination of the investment and speculative components in the current price of any given common stock, so that the intending buyer might have some notion of the risks he is taking as well as what profit he might make.

我曾指出,根据我保守的评估,IBM 在 1961 年股价中的投资成分不超过每股 200 美元——整个企业约 60 亿美元——报价中的其余部分代表了对其无疑辉煌未来的投机性估值。相反,我认为,国际收割机公司在 1961 年最高价 55 美元中,至少有 80% 可以归因于其投资价值。这并不能证明国际收割机公司比 IBM 更值得买入——事实也确实如此——但它确实表明,其涉及的风险因素要小得多。

I have pointed out that my own conservative appraisal put the investment component in IBM’s 1961 price at not more than $200 per share — about $6 billion for the entire enterprise — the remainder of the quotation representing a speculative valuation of the company’s undoubtedly brilliant future. Conversely, I stated that at least 80% of the highest price ($55) of International Harvester in 1961 could be ascribed to its investment value. This did not prove that Harvester was a better buy than IBM — it was, as it turned out — but it did demonstrate that the risk factor involved was much smaller.

让我提出最后一个问题:尽管预测市场走势或挑选最具吸引力公司的努力结果令人相当沮丧,但聪明的投资者能否遵循任何有希望获得高于平均结果的普通股选择策略呢?

Let me raise a final question: Despite rather discouraging results from endeavors to predict market moves or to select the most attractive companies, can the intelligent investor follow any policies of common-stock selection that promise better than average results?

我认为,一些意志坚定的投资者有可能做到这一点,方法是买入价值而非前景或人气。这种方法的一些例子:

I think it is possible for some strong-minded investors to do this, by buying value rather than prospects or popularity. Some examples of this approach:

  • 选择那些不受追捧但重要的公司股票——例如,国际收割机公司。自 1933 年以来,每年买入道琼斯工业平均指数中市盈率最低的六家成分股公司的股票,可能获得了一些非凡的成果。
  • Select stocks of important companies which sell on a no-glamour basis — e.g., International Harvester. Some extraordinary results could have been obtained since 1933 by buying each year the shares of the six companies in the Dow Jones Industrial Average which sold at the lowest multiplier of their recent earnings.
  • 买入明确的“廉价股”。典型的这类股票是那些售价低于其营运资本价值,对固定资产和商誉完全不作价支付的股票。直到 1957 年,这类股票还相当多,并且当进行分散投资时,一直能持续盈利。现在这样的机会已经不多了;也许它们已被那些股价相对低迷、并有可能被大公司以相当高的溢价收购的小公司股票所取代。
  • Buy definitely “bargain issues.” Typically these would be shares that sold for less than their value in working capital alone, with nothing paid for fixed assets and goodwill. These were quite numerous up to as late as 1957, and were consistently profitable when diversification was observed. Few such opportunities remain; perhaps they have been supplanted by shares of smaller companies selling on a relatively depressed basis and likely to be taken over by a larger concern at a good advance in price.
  • 最后是广阔的“特殊情况”领域——重组、并购、收购、清算等。这是一个专业领域,但如果聪明的投资者将证券操作视为一门商业生意,他们也并非不可能从中获得丰厚利润。
  • Finally there is the wide field of “special situations” — reorganizations, mergers, takeovers, liquidations, etc. This is a professional area, but it is not impossible for intelligent investors to profit handsomely from it if they approach security operations as they would a commercial business.

Conclusion

Conclusion

投资者必须认识到,他采取的任何策略——哪怕是全部投资于政府债券——都包含不确定性和投机成分。他必须通过债券与普通股之间的持续妥协策略,以及充分的分散投资,来应对这些不确定性。(例外情况:他可以将大部分资金投入并长期持有自己紧密关联、前景看好的企业的股票。)他必须努力做到,在市场价格偏低时(至少基于成本考量)投资于普通股的资金,多于在被他视为潜在高位时的投入。最为重要的是,他必须对自己的财务状况无法避免的波动,以及这些波动必然会带来的所谓“错误”,保持一种哲学家的超然态度。

The investor must recognize that there are uncertain and hence speculative elements in any policy he follows — even an all-Government-bond program. He must deal with these uncertainties by a policy of continuous compromise between bonds and common stocks, and by adequate diversification. (Exception: He may put and keep most of his funds in shares of a promising business with which he is closely connected.) He must make a strong effort to have more money invested in common stocks at lower market levels (at least on the basis of cost) than at what he recognizes to be potentially high levels. Most important, he must maintain a philosophical attitude toward the inescapable variations in his financial position and the inevitable “mistakes” associated with these variations.

根据华尔街的一个古老故事,当某位客户请一位经纪人推荐可买入的股票时,经纪人总是反问:“您的偏好是什么?您是想吃得香,还是想睡得好?”我是个足够乐观的人,相信只要遵循稳健的策略,几乎任何投资者——即使在这个充满不确定性的世界里——都应该能够吃得足够香,而无需为此失眠。

According to an old Wall Street story, when a certain broker was asked by a client to recommend issues to buy, he always asked in return, “What is your preference? Do you want to eat well or to sleep well?” I am optimist enough to believe that by following sound policies almost any investor — even in this insecure world — should be able to eat well enough without having to lose any sleep.