These are the most profitable Nasdaq biotech companies By: MarketWatch February 27, 2015 at 08:29 AM EST Biotechnology stocks tend to be risky, but some are backed by real products and solid earnings, writes Phil van Doorn. Read More >> Related Stocks: Amgen Bio-Techne Corp Biogen Idec Cellular Biomedicine Coherus Bio Exelixis Inc Genetic Tech Spn ADR Gilead Sciences Meridian Bioscience Myriad Genetics Inc Nasdaq Biotechnology Ishares ETF Neurocrine Bioscienc Pdl Biopharma Inc Repligen Corp Semler Scientific