Warren Buffett, chief executive of Berkshire Hathaway and so-called 'Oracle of Omaha', was weighed down by sinking stock prices and a struggling Kraft Heinz in his annual letter to shareholders. Reuters
Warren Buffett, chief executive of Berkshire Hathaway and so-called 'Oracle of Omaha', was weighed down by sinking stock prices and a struggling Kraft Heinz in his annual letter to shareholders. ReuteShow more

In letter to shareholders, Warren Buffett takes a swipe at Trump