The 5 Biggest Biotech Stocks By: Benzinga via Benzinga January 20, 2015 at 16:43 PM EST Biotech is big, and the industry has been big for quite some time. As a matter of fact, biotechnology has been the second-best ... Read More >> Related Stocks: Amag Pharmaceuticals Biogen Idec Celgene Corp Gilead Sciences Regeneron Pharmaceuticals