UNH stock soared after Warren Buffett’s Berkshire Hathaway revealed it bought shares of the healthcare company. Nonetheless, UnitedHealth faces a long list of unresolved issues.

UnitedHealth just won't quit. Shares of the healthcare giant were up 13.5% in recent trade, building on their earlier gains. That leaves it on track for its biggest one-day jump since Oct. 13, 2008, when the stock rose 34.

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.

UnitedHealth Group ( UNH 12.04%) has been a solid dividend growth stock for years. Generally, its yield has been fairly low, due to the stock's rising value. Even as the healthcare insurance giant has grown its dividend, its yield hasn't been particularly high or noteworthy.

The market is closed for the week. Let's just call it one strange week. President Donald Trump just landed in Alaska, where he's expected to meet with Russian President Vladimir Putin. Long-foreshadowed,

The cyberattack at UnitedHealth Group's tech unit last year impacted 192.7 million people, the U.S. health department's website showed on Thursday.