UnitedHealth surges after Warren Buffett bets on recovery
By Mariam Sunny and Shashwat Chauhan (Reuters) -Shares of UnitedHealth Group surged nearly 14% on Friday after billionaire Warren Buffett’s Berkshire Hathaway bought 5 million shares of the company, providing a shot in the arm for investors who think the health conglomerate will turn around under its new CEO. The shares have lost nearly half…