What's wrong with healthcare and biotech By: CNBC.com News April 27, 2015 at 15:32 PM EDT Biotech, which has been a market leader all year, is weak, with both the market-cap weighted IBB and equal weighted XBI down roughly 4 percent each. Read More >> Related Stocks: Aerie Pharmaceuticals Amazon.com Applied Materials Biogen Idec Cardinal Health Google, Inc. Microsoft Mylan Nasdaq Biotechnology Ishares ETF S&P Biotech SPDR Stryker Corp Tenet Healthcare Teva Pharmaceutical Industries ADR Tokyo Electron Ltd ADR