UnitedHealth jumps 9% after vote of confidence from Warren Buffett
Shares of UnitedHealth Group surged more than 9% on Friday after a fresh investment from billionaire Warren Buffett’s Berkshire Hathaway boosted investor confidence in the troubled health conglomerate. The company is dealing with multiple challenges that have emerged in the last two years, including rising costs, a federal investigation into its government-backed health plans, a…