Warren Buffett continues to bet big on these stocks. Many smart investors are joining him.Warren Buffett is one of the best investors of all time. You can track which stocks Buffett is buying by reviewing the portfolio of his holding company, Berkshire Hathaway (BRK.A -0.45%) (BRK.B -0.28%).Right now, he's betting billions of dollars on two stocks with very similar business models. If you want to bet on Buffett, these two stocks are for you. Warren Buffett loves this kind of businessBuffett has a very speci ...