Amazon is using artificial intelligence to strengthen its e-commerce business. Apple has a growing installed base of devices and is generating nearly $100 billion in annual profit. Warren Buffett is one of the greatest investors of all time.

Warren Buffett rejects gold as unproductive, urging investors to favor income-generating assets over fear-driven, sentiment-based stores of value.

Warren Buffett likely will soon give away $6 billion in Berkshire Hathaway stock in his annual donation to the Gates Foundation and four Buffett family philanthropies, under a giving program started in 2006.