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.

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.

Key Takeaways UnitedHealth Group shares surged Friday after Warren Buffett’s Berkshire Hathaway revealed a stake in the embattled healthcare giant.After bottoming at the start of August, the stock has continued to gain momentum,

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Despite some challenges to its business recently, UnitedHealth has held steadfastly to its dividend policy. It switched from an annual to a quarterly disbursement in 2010, and has raised it on a regular basis since then. Over that stretch of time, it has risen strongly from $0.03 to the present level.

UnitedHealth Group Inc. (NYSE:UNH) shares edged up on Monday, even as the stock remains down roughly 49% year to date. Trading volume stood at 6.39 million shares, well below the 100-day average of 20.

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

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