The 10 best, 10 worst U.S. stocks of 2017 By: MarketWatch May 01, 2017 at 12:16 PM EDT The S&P 500 Index is up 7%, helped by tech, consumer and health-care companies. Read More >> Related Stocks: AT&T Inc Activision Blizzard Acuity Brands Inc Alaska Air Group Alexion Pharmaceuticals Anadarko Petroleum Apache Corp Arconic Corp C.R. Bard CSX Corp Chesapeake Energy Concho Resources Inc ConocoPhillips Delta Air Lines Devon Energy Discover Financial Services Envision Healthcare Holdings Hawaiian Hlds Inc Hess Corp Idexx Laboratories Illumina Inc Kinder Morgan Lam Research Mallinckrodt plc Micron Technology NRG Energy Newfield Exploration Pioneer Natural Resources Range Resources Schlumberger Ltd Signet Jewelers Ltd Simon Property Group Standard & Poors 500 Synchrony Financial Target Corp Transocean Ltd Under Armour Under Armour Inc Cl C Verizon Communications Vertex Pharmaceuticals Western Digital Wynn Resorts