Thursday's ETF Movers: XBI, OIH

In trading on Thursday, the SPDR S&P Biotech ETF (XBI) is outperforming other ETFs, up about 1.4% on the day. Components of that ETF showing particular strength include shares of Exact Sciences (EXAS), up about 25.9% and shares of Alexion Pharmaceuticals (ALXN), up about 5.8% on the day.