Amgen, BioMarin Lead Biotech Short Interest Trend (AMGN, BIIB, BMRN)

Among the leading biotech and emerging pharmaceutical companies, Amgen (NASDAQ: AMGN ), Biogen Idec (NASDAQ: BIIB ) and BioMarin Pharmaceutical (NASDAQ: BMRN ) saw the largest percentage increases in short interest between the January 31 and February 15 settlement dates. Alexion Pharmaceuticals, Celgene, Gilead Sciences, Illumina, Incyte and