Healthcare stocks declined late Wednesday afternoon with the NYSE Healthcare Index falling 0.9% and the State Street Health Care Select Sector SPDR ETF (XLV) dropping 0.8%.
The iShares Biotechnology ETF (IBB) shed 2%.
In corporate news, Compass Therapeutics (CMPX) shares fell 4.8% after Wedbush downgraded the stock to neutral from outperform and cut the price target to $1 from $5.