UnitedHealth has been the Dow’s worst performer of 2025, but jumped 13% Friday. Here’s why Buffett and other leading hedge funds suddenly love the stock.

TheStreet. Warren Buffett is arguably the most successful investor of all time. He's amassed an amazingly massive net worth by buying and usually holding stocks for the long haul. Trained under legendary value fund investor Benjamin Graham,

By Mariam Sunny and Shashwat Chauhan (Reuters) -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.