Wall Street Thinks This Warren Buffett AI Stock Pick Has 38% Upside Mariia Tagirova / Shutterstock.com It’s no surprise that when Warren Buffett and Berkshire Hathaway Inc. (NYSE: BRK-A) part with shares of Apple Inc. (NASDAQ: AAPL), the largest stake in the Berkshire portfolio, it makes headlines. The so-called Oracle of Omaha is probably the best-known investor in the world, certainly one of the most successful. Millions of investors and aspiring investors still hang on his every word. So, is it time to d ...