Healthcare stocks rose Friday afternoon, with the NYSE Healthcare Index increasing 1.4% and the State Street Health Care Select Sector SPDR ETF (XLV) adding 1.6%.
The iShares Biotechnology ETF (IBB) declined 0.5%.
In corporate news, Amneal Pharmaceuticals (AMRX) said Friday that interim results from its phase 4 study of Crexont to treat Parkinson's disease demonstrated substantial clinical benefit after patients switched to the drug from Rytary. Amneal Pharmaceuticals' shares rose 2.1%.