Monday's ETF Movers: XBI, IEO

In trading on Monday, the SPDR S&P Biotech ETF (XBI) is outperforming other ETFs, up about 1% on the day. Components of that ETF showing particular strength include shares of Keryx Biopharmaceuticals (KERX), up about 10.1% and shares of Idera Pharmaceuticals (IDRA), up about 8.7% on the day.