Billionaire Warren Buffett Just Made a Massive $4 Billion Investment in This Artificial Intelligence (AI) Stock

Berkshire Hathaway is spreading its wings into new Magnificent Seven stocks.Warren Buffett and Berkshire Hathaway (BRK.B 1.12%)(BRK.A 1.11%) continue to sell Apple stock, increasing the company's cash position to close to $400 billion. One stock Berkshire is buying is Alphabet (GOOG +3.11%)(GOOGL +3.13%). The technology giant and leading artificial intelligence (AI) stock has been a favorite of Buffett and the team for years, although they have never bought the stock. That is, until last quarter, when Berks ...