Wednesday's ETF Movers: XBI, GDXJ

In trading on Wednesday, the SPDR S&P Biotech ETF (XBI) is outperforming other ETFs, up about 2.7% on the day.  Components of that ETF showing particular strength include shares of Acorda Therapeutics (ACOR), up about 21.6% and shares of Biocryst Pharmaceuticals (BCRX), up about 8.8% on the day.