Warren Buffett backs Apple after firm sells millions of shares in iPhone maker | Warren Buffett

The billionaire investment tycoon Warren Buffett has stressed his empire will remain a key investor in Apple after it sold billions of dollars’ worth of shares in the iPhone maker.Thousands of shareholders in Berkshire Hathaway, Buffett’s sprawling conglomerate, have flocked to Omaha, Nebraska, for the firm’s annual meeting – dubbed Woodstock for Capitalists – this weekend.Before the meeting, Berkshire’s latest earnings revealed that the value of its gigantic stake in Apple – one of the US’s largest companies – had fallen to $135.4bn in March, from $174.3bn in…