Healthcare stocks were higher late Tuesday afternoon, with the NYSE Healthcare Index rising 2.3% and the State Street Health Care Select Sector SPDR ETF (XLV) adding 2.4%.
The iShares Biotechnology ETF (IBB) was up 0.8%.
In corporate news, Zimmer Biomet (ZBH) shares climbed 3.9% after UBS upgraded the stock to buy from sell, and raised the price target to $115 from $89.