S&P 500 Stocks UnitedHealth, Centene Rise Amid House ACA Vote Bid

Health insurance stocks continued to rally on Friday as moderate House members worked to force a vote on extending Affordable Care Act subsidies to keep 4 million Americans from losing coverage. UnitedHealth Group (UNH) and Centene (CNC) led managed-care stocks higher, bucking the market downdraft that pulled the S&P 500 into negative territory. Oscar Health (OSCR), whose central business is…