Short Interest Rises in Gilead Sciences, Onyx Pharmaceuticals (BIIB, GILD, ONXX)
July 11, 2013 at 12:47 PM EDT
Among biotech and emerging pharmaceutical companies, Gilead Sciences (NASDAQ: GILD ) and Onyx Pharmaceuticals (NASDAQ: ONXX ) saw the most significant rises in short interest between the June 14 and June 28 settlement dates. The number of shares sold short in Amgen (NASDAQ: AMGN ), Arena Pharmaceuticals (NASDAQ: