UnitedHealth Group ($UNH) stock rallied about 12% on Friday, as Warren Buffett’s Berkshire Hathaway (BRK.A) (BRK.B) and other hedge funds,

Year to date, the stock has fallen by nearly 45%, which is by no means normal for the healthcare stock. In fact, this is the worst it has performed since the Great Recession, when it tumbled by more than 54% in 2008.

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Shares of UnitedHealth Group opened at their lowest point since early 2020 as the health insurance giant's second-quarter profit came in worse than analysts had forecast.

UnitedHealth Group (NYSE: UNH) is a top health care stock with recent turbulence in earnings guidance, rising costs, and hedge fund activity.

UnitedHealth Group Inc. (NYSE:UNH) shares climbed Friday after high-profile investors Michael Burry and Warren Buffett took positions in the insurance giant, offering some relief to a stock that has tumbled about 41% year-to-date.

The Dow Jones Industrial Average opened at its first all-time high of the year on Friday as shares of health care giant UnitedHealth Group soared.

Futures for the Dow Jones Industrial Average and other major stock indexes traded sharply mixed Friday as Wall Street reacted to the U.S. retail sales report. Meanwhile, UnitedHealth GroupUNH soared on the stock market today after famed investor Warren Buffett disclosed a new position.