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In trading on Friday, the Gold Miners ETF (GDX) is outperforming other ETFs, up about 2.2% on the day. Components of that ETF showing particular strength include shares of Coeur Mining (CDE), up about 4.7% and shares of Buenaventura (BVN), up about 4.3% on the day.
And underperforming other ETFs today is the SPDR S&P Biotech ETF (XBI), off about 1.6% in Friday afternoon trading. Among components of that ETF with the weakest showing on Friday were shares of Prothena (PRTA), lower by about 5.5%, and shares of Infinity Pharmaceuticals (INFI), lower by about 5.4% on the day.
