Drug prices may be rising, but you can buy biotech stocks at rock-bottom levels By: MarketWatch November 08, 2018 at 05:28 AM EST The stock market rout pushed down shares of biotechnology companies by as much as 20%. Read More >> Related Stocks: Biogen Idec Bluebird Bio Celgene Corp Eisai Ltd ADR Gilead Sciences Nasdaq Biotechnology Ishares ETF S&P Biotech SPDR