In trading on Monday, the SPDR S&P Biotech ETF ( XBI ) is outperforming other ETFs, up about 1.8% on the day. Components of that ETF showing particular strength include shares of Orexigen Therapeutics ( OREX ), up about 21.5% and shares of Achillion Pharmaceuticals ( ACHN ), up about 21.2% on the day.
And underperforming other ETFs today is the Junior Gold Miners ETF ( GDXJ ), off about 4.8% in Monday afternoon trading. Among components of that ETF with the weakest showing on Monday were shares of Tanzanian Royalty Exploration ( TRX ), lower by about 9.8%, and shares of McEwen Mining (MUX), lower by about 8.2% on the day.
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