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.
Changes in economy have shored up weak areas.
American Water Works leads the S&P 500 for the most female representation on its board. But, there are still a handful of companies without any female directors.