-- Health care stocks declined Monday afternoon, with the NYSE Health Care Index decreasing 0.6% and the State Street Health Care Select Sector SPDR ETF (XLV) down 0.4%.
The iShares Biotechnology ETF (IBB) rose 1.2%.
In corporate news, Amgen (AMGN) said Monday it will invest an additional $300 million in its biologics manufacturing facility in Puerto Rico. Amgen shares were down nearly 2%.