How Low Will Biotech Go? By: TalkMarkets February 22, 2016 at 10:28 AM EST Long-term readers of this letter prospered mightily from my addiction to biotech stocks, one of the top performing sectors in the stock market during the first half of last year. Read More >> Related Stocks: Celgene Corp Gilead Sciences Nasdaq Biotechnology Ishares ETF Valeant Pharmaceuticals International, Inc.