According to the ETF Finder at ETF Channel, CNC makes up 2.42% of the SPDR S&PHealth Care Services ETF (XHS) which is up by about 0.7% on the day Friday.
In afternoon trading Friday, CNC was up about 0.3% on the day.
Here are Thursday's top research calls, including new coverage of Alibaba, a downgrade for Dollar General and upgrades for FireEye and Kroger.
The top 64 companies taking a trip to TheStreet's 2017 Market Bracket Challenge tournament.
Jim Cramer takes a closer look at the risks: Don't measure 'Trump per share,' measure actual earnings per share.
Investors may regret a "complacency trade" that allowed shares to rebound after election plunge.