UnitedHealth's stock has tumbled 45.8% in 2025, enough to make it the S&P 500's worst performer this year. In comparison, the Health Care Select Sector SPDR ETF XLV has lost 5.2% this year and the S&P ...

Most U.S. stocks drifted higher in quiet trading Thursday following a jumble of mixedreports that offered little clarity on how the U.S. economy is managing through President Donald Trump's trade war.