The Intelligent Investor

by Benjamin Graham

Since the advent of accurate stock-market data in 1926, there have been 64 five-year periods (i.e., 1926–1930, 1927–1931, 1928–1932, and so on through 1998–2002). In 50 of those 64 five-year periods (or 78% of the time), stocks outpaced inflation.