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Cover of The Intelligent Investor, Rev. Ed

The Intelligent Investor, Rev. Ed

Written by Benjamin Graham

3.02 ratings

642 pages, about 13 hours of reading

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About this book

Since its original publication in 1949, Graham’s book has remained the most respected guide to investing due to his timeless philosophy of “value investing.” Here he outlines the principles of stock selection for both the defensive and the enterprising investor, and stresses the advantages of a simple portfolio policy. Special features are the use of numerous comparisons of pairs of common stocks to bring out their elements of strength and weakness, and the construction of investment portfolios designed to meet specific requirements of quality and price attractiveness. “By far the best book on investing ever written.” -Warren E. Buffett “Fully conveys the basic principles of [Graham’s] enormously successful...approach.” -Money

Reading guide

Themes, characters and key ideas in The Intelligent Investor, Rev. Ed, written by Chaptra AI.

  • about 8 hours
  • advanced
  • instructive
  • analytical
  • prudent

Benjamin Graham's "The Intelligent Investor" is the seminal work on value investing, first published in 1949 and continuously updated. It introduces a timeless philosophy centered on protecting principal and achieving adequate returns through disciplined analysis, distinguishing true investment from speculation. Graham champions the concept of the 'margin of safety' and famously personifies market irrationality as 'Mr. Market,' urging investors to exploit market fluctuations rather than succumb to them. The book provides practical guidance for both 'defensive' and 'enterprising' investors, advocating for a rational, long-term approach to building wealth. Its enduring principles have made it an indispensable guide for serious investors worldwide, profoundly influencing figures like Warren Buffett.

“An investment operation is one which, upon thorough analysis, promises safety of principal and an adequate return. Operations not meeting these requirements are speculative.”

Key themes

Value Investing
The fundamental principle of buying securities when their market price is significantly below their intrinsic value, based on thorough analysis of their underlying assets and earning power. This theme is the cornerstone of Graham's entire philosophy.
Margin of Safety
The principle of purchasing an investment at a price sufficiently below its intrinsic value to provide a cushion against errors in judgment, adverse economic events, or market fluctuations. It is the investor's primary protection against loss.
Investor vs. Speculator
Graham rigorously defines the difference between a true investor (who bases decisions on thorough analysis, safety, and adequate return) and a speculator (who gambles on market trends, timing, or hope). This distinction is central to avoiding common pitfalls.

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How do Graham's principles of value investing remain relevant in today's fast-paced, technology-driven markets?

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