Friday's ETF Movers: BBH, GDX

In trading on Friday, the Biotech ETF (BBH) is outperforming other ETFs, up about 3% on the day. Components of that ETF showing particular strength include shares of Regeneron Pharmaceutical (REGN), up about 9.7% and shares of Cepheid (CPHD), up about 7.3% on the day.