There is little doubt that the Mount Rushmore of investing greats would contain a likeness of Warren Buffett. From 1965 to 2023, his Berkshire Hathaway (BRK.A) stock appreciated at a compound annual growth rate of 19.8%. That’s nearly double the S&P 500 Index’s ($SPX) annualized return of 10.2% over the same period. Buffett built an unparalleled reputation over the years through his unwavering commitment to value investing, which has almost become a lost art. He studied economics and finance at the University of Nebraska and the University of Pennsylvania’s Wharton School, and then went on to …