HealthcareThermo Fisher Added to U.S. 1 List at BofAMar. 05, 2015 7:31 AM ETAffymetrix, Inc. (AFFX) StockAFFX, QGEN, TMOBy: Eli Hoffmann, SA News Editor TMO is BofA's top pick in the tools sector. Cites improving endmarkets, capital deployment opportunities, and attractive valuation relative to peers. Peers include AFFX and QGEN. Recommended For YouMore Trending NewsSee More »Related StocksSymbolLast Price% ChgAFFX--Affymetrix, Inc.Trending AnalysisTrending News