Biotech ETFs: Buy, Buy, Buy? By: Benzinga via Benzinga October 27, 2015 at 07:19 AM EDT Since peaking on July 20, the iShares Nasdaq Biotechnology ETF (NASDAQ: IBB), the largest biotech exchange traded fund, is off 15.2 ... Read More >> Related Stocks: Alexion Pharmaceuticals Amgen Biomarin Pharmaceuticals Celgene Corp Gilead Sciences HEALTHCARE Nasdaq Biotechnology Ishares ETF Vertex Pharmaceuticals