Healthcare stocks declined Friday afternoon, with the NYSE Healthcare Index and the State Street Health Care Select Sector SPDR ETF (XLV) each shedding about 1%.
The iShares Biotechnology ETF (IBB) fell 2.9%.
In corporate news, Pfizer's (PFE) Q2 revenue is expected to match Wall Street's estimates, but its EPS may fall short, RBC said in a note. Pfizer shares were fractionally higher.