UnitedHealth Group stock has been rallying on news that Berkshire Hathaway has invested in the business. Warren Buffett is the CEO of Berkshire Hathaway and the investment could be seen as a possible vote of confidence in UnitedHealth's business.

Warren Buffett has cashed in a net $177 billion of stocks because he expects a downturn and plans to capitalize, Wedbush's Paul Dietrich said.

Warren Buffett emphasizes that while achieving success is exciting, effectively correcting mistakes when they occur is equally critical for businesses.

Berkshire Hathaway’s portfolio added six new stocks, including the three new secret stocks. Warren Buffett was a net seller of stocks for the eleventh straight quarter.

Like Amazon CEO Andy Jassy, keeping a positive attitude helps the Warren Buffett-backed leader stay motivated toward success.

Warren Buffett's Berkshire Hathaway has acquired 5 million shares in UnitedHealth Group , a regulatory filing showed on Thursday, sending the health insurer's stock up 7% in extended trading.

Berkshire Hathaway recently filed its second-quarter 13F form, revealing its stock holdings at the end of June.

A hallmark of Berkshire Hathaway is its focus on long-term value investing, a strategy championed by Warren Buffett and his late partner Charlie Munger. The approach has delivered remarkable returns to Berkshire shareholders, with average annual growth far outperforming the broader stock market for decades.