Key Points Buffett's Berkshire Hathaway portfolio includes only one quantum computing stock. The legendary investor also has an indirect position in another quantum computing stock. Quantum computing isn't the main reason for investors to buy Buffett's favorite quantum computing stock. These 10 stocks could mint the next wave of millionaires › Warren Buffett has spoken publicly about his disdain for cryptocurrencies. He's talked about his concerns about artificial intelligence (AI). But what has ...