REUTERS/Rick Wilking Warren Buffett is delivering his annual letter to Berkshire Hathaway shareholders on Saturday. Business Insider estimated how much $1,000 of Berkshire Hathaway stock would be worth today if you had invested at the end of each year of Buffett's tenure. Warren Buffett is delivering his annual letter on Saturday. Over the past half-century, he has turned a failing textile company into a legendary conglomerate. Using historical price data for Berkshire Hathaway class A shares from a retrospective analysis of Buffett's outsize returns and Yahoo Finance, we calculated how much $1,000 of Berkshire stock would be worth today if you had invested that money at the end of each year of Buffett's tenure.See the rest of the story at Business InsiderNOW WATCH: Microsoft President Brad Smith says the US shouldn't get 'too isolationist'See Also:Warren Buffett's big annual letter is coming — here are the most important things to look out forWarren Buffett brilliantly explains how bubbles are formedHere are Warren Buffett's biggest investmentsSEE ALSO: If you can solve one of these 6 major math problems, you'll win a $1 million prize