UNH stock and CVS are among top S&P 500 gainers early Thursday on better health care utilization trends. BofA upgraded UnitedHealth Group.

UNH stock and CVS are among top S&P 500 gainers early Thursday on better health care utilization trends. BofA upgraded UnitedHealth Group.

UNH stock surges as BofA upgrades UnitedHealth to Buy with a $450 target and Morgan Stanley sees huge AI-driven earnings upside.