Warren Buffett's Berkshire Hathaway has more than tripled its money on 5 stocks in its portfolio. Here are its biggest winners.

Berkshire Hathaway owns stakes in Apple, Coca-Cola, BYD, Moody's, and American Express. Buffett's company has more than tripled its money on all five stocks. Visit the Business section of Insider for more stories. Warren Buffett shone a spotlight on five of his best investments in his annual letter on Saturday.