Benjamin Graham Quotes
Even defensive portfolios should be changed from time to time, especially if the securities purchased have an apparently excessive advance and can be replaced by issues much more reasonable priced.
Graham, Benjamin. The Intelligent Investor. Harper & Row, 1973.
Benjamin Graham was a British-born American economist, professor and investor. He is widely known as the "father of value investing", and wrote two of the founding texts in neoclassical investing: Security Analysis (1934) with David Dodd, and The Intelligent Investor (1949). His investment philosophy stressed investor psychology, minimal debt, buy-and-hold investing, fundamental analysis, concentrated diversification, buying within the margin of safety, activist investing, and contrarian mindsets.