-- Health care stocks declined late Wednesday afternoon, with the NYSE Health Care Index down 0.6% and the State Street Health Care Select Sector SPDR ETF (XLV) shedding 0.9%.
The iShares Biotechnology ETF (IBB) fell 1.5%.
In corporate news, Boston Scientific (BSX) shares fell 3.6% after Daiwa Securities downgraded the stock to neutral from outperform, and lowered its price target to $60 per share from $83 earlier.