Among the largest underlying components of XBI, in trading today Seattle Genetics Incorporated ( NASD: SGEN) is up about 0.1%, Cepheid Incorporated ( NASD: CPHD) is down about 2.8%, and Alexion Pharmaceuticals Incorporated ( NASD: ALXN) is lower by about 1.7%.

FORBES: Notable ETF Outflow Detected - XBI, SGEN, CPHD, ALXN

Among the largest underlying components of IWM, in trading today American Campus Communities Incorporated ( NYSE: ACC) is up about 0.4%, Cepheid Incorporated ( NASD: CPHD) is up about 0.6%, and World Fuel Services Corporation ( NYSE: INT) is lower by about 0.3%.

FORBES: IWM: Large Outflows Detected at ETF