Chapter 8 of Graham’s book talks about not letting the mood swings of Mr. Market coax us into speculating, selling in panic, or trying to time the market. Chapter 20 explains that, after careful analysis of a company’s ongoing business and its prospects for future earnings, we should consider buying only if its current price implies a large margin of safety. In chapter 12 of The General Theory of Employment, Interest, and Money (“The State of Long-Term Expectation”), Keynes remarks that most professional investors and speculators were “largely concerned, not with making superior long-term
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