Shares of UnitedHealth Group are surging before the market open Friday as Warren Buffett's Berkshire Hathaway disclosed that it recently purchased shares of the beleaguered insurer.

Michael Burry's Scion Asset Management switched out a bet against Nvidia for a wager on Meta as it overhauled its stock portfolio last quarter.

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.

UnitedHealth Group Incorporated (NYSE:UNH) is one of the stocks Jim Cramer shed light on. Cramer showed a slight bit of optimism toward the company as he said: “I think UnitedHealth’s going to work

Stocks were mixed Friday after the University of Michigan’s consumer sentiment index fell from the prior month and ahead of a scheduled summit between President Donald Trump and Russian leader Vladimir Putin.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

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