For most investors, the best fit for their capital is a passive index fund or mutual fund, which outsources their financial future to the hands of the stock market, often the S&P 500. While this is the surefire way to build capital over the long term, another way could provide a faster path to wealth without necessarily added risks. Warren Buffett understood this.By picking individual stocks, as long as they fit certain profitability and growth criteria, Buffett grew his wealth at over 20% a year for severa ...