Does Biotech Bearishness Lie Ahead? By: TalkMarkets December 27, 2014 at 10:30 AM EST The biotech sector experienced a big shock earlier this week, with Gilead at the epicenter. Read More >> Related Stocks: AbbVie Biotechnology Index NYSE ETF Express Scripts Holding Gilead Sciences HEALTHCARE Healthcare ETF Vanguard Nasdaq Biotechnology Ishares ETF S&P Biotech SPDR US Healthcare Ishares ETF