Biotech Bears Spark Good Vibes For These ETFs By: Benzinga via Benzinga October 06, 2015 at 16:53 PM EDT With Tuesday's loss of about 4 percent at time of writing, the iShares Nasdaq Biotechnology ETF (NASDAQ: IBB), the largest ... Read More >> Related Stocks: Amgen Celgene Corp Gilead Sciences Nasdaq Biotechnology Ishares ETF