Trump announcing end to cost-sharing payments slams insurers, hospitals By: MarketWatch October 13, 2017 at 10:50 AM EDT Health insurer and hospital stocks plummeted on policy changes expected to undermine Obamacare. Read More >> Related Stocks: Aetna Anthem Inc Centene Corp Community Health Systems HEALTHCARE Hca Holdings Inc Health Insurance Inn Humana Lifepoint Health Molina Healthcare Inc Quorum Health Corp Standard & Poors 500 Tenet Healthcare UnitedHealth Group Univl Health Services Wellcare Group