Short Interest Swings in Biotech Stocks (ALXN, AMGN, CELG)

Posted on February 28, 2013 at 15:13 PM EST

The short interest in biotech and emerging pharmaceutical companies was mixed again in the first two weeks of February. The number of shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA ), Illumina (NASDAQ: ILMN ) and Vertex Pharmaceuticals (NASDAQ: VRTX ) grew somewhat between the January

Related Stocks:

Alexion Pharmaceuticals, Inc. Amgen, Inc. Arena Pharmaceuticals, Inc. Baxter International, Inc. Biogen Idec, Inc. Celgene Corp Dendreon Corp Gilead Sciences, Inc. Illumina, Inc. Johnson & Johnson Onyx Pharmaceuticals, Inc. Pharmacyclics, Inc. Regeneron Pharmaceuticals, Inc. SPDR S&P Biotech ETF Teva Pharmaceutical Industries Vertex Pharmaceuticals, Inc. Vivus, Inc. iShares Nasdaq Biotechnology Index Fund

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