HIGHLIGHTS-Warren Buffett's letter to investors
February 28, 2015 at 12:27 PM EST
NEW YORK, Feb 28 (Reuters) - Warren Buffett released his annual letter to Berkshire Hathaway shareholders on Saturday, written with his usual mix of business facts, common-sense advice and showmanship. This year marks the 50th anniversary of Buffett's time heading the sprawling conglomerate.