Biotech takes Trump presidency as a green light — and end to drug price worries By: MarketWatch November 15, 2016 at 16:15 PM EST The difference since last week is “dramatic,” a biotech portfolio manager said. Read More >> Related Stocks: Amgen Gilead Sciences Nasdaq Biotechnology Ishares ETF Pfizer S&P Biotech SPDR S&P Pharmaceuticals SPDR Standard & Poors 500