Warren Buffett Has More Than 50% of His Portfolio in These 3 Stocks. Which One Is the Best Buy Today?

Key Points Apple has a great compounding business, and the iPhone Duo could help spark growth. American Express' close-loop systems and affluent customer base give it a big edge. Alphabet's complete AI stack, distribution, and ad network are huge advantages. 10 stocks we like better than American Express › While he stepped down as CEO of Berkshire Hathaway at the end of last year, Warren Buffett's wealth, and thus his portfolio, is still tied to the conglomerate and its stock portfolio. On that end, Berkshire's top-three positions -- consisting of Apple (NASDAQ: AAPL) , American Express (NYSE: AXP) , and Alphabet (NASDAQ: GOOG) (NASDAQ: GOOGL) (Nasdaq) -- make up more than half of its equity portfolio.