Biotech Stocks Hit By Profit Taking-More Volatility Lies Ahead By: TalkMarkets December 02, 2014 at 05:00 AM EST Don’t blame the consumer and retail sales for the sell-off. Investors have done very well this year with simple indexing. Read More >> Related Stocks: Agios Pharmaceuticals Amgen Biogen Idec Celldex Therapeutics Epizyme Inc Gilead Sciences Glycomimetics Inc HEALTHCARE Seagen Inc