Investing.com -- UnitedHealth Group Inc (NYSE: UNH ). stock rises 3% in premarket trading Monday, extending Friday’s 12% rally after Warren Buffett’s Berkshire Hathaway Inc . (NYSE: BRKa) disclosed a ...

UnitedHealth extends gains while Dayforce soars following a report that says it could be bought by private-equity firm Thoma Bravo.

If any investor has stood the test of time, it is Warren Buffett, and with good reason. For years, the “Oracle of Omaha” has ...