Healthcare stocks advanced late Tuesday afternoon, with the NYSE Healthcare Index and the State Street Healthcare Select Sector SPDR ETF (XLV) each rising 2%.
The iShares Biotechnology ETF (IBB) increased 1.2%.
In sector news, President Donald Trump said Tuesday that US Food and Drug Administration Commissioner Marty Makary is resigning, Bloomberg reported.
In corporate news, West Pharmaceutical Services (WST) shares were down 2.3% after the company said in a regulatory filing its global operations were disrupted by a cyberattack.