U.S. stock futures edge lower By: MarketWatch July 28, 2009 at 05:57 AM EDT U.S. stock futures edge lower on Tuesday after a remarkable run, with an earnings wave, housing data and hearings on the future of energy trading in the spotlight. Read More >> Related Stocks: Amgen BP Plc ADR Banco Bilbao Viscaya Argentaria S.A. ADR Coach Deutsche Bank Ag Gsk Plc ADR Interpublic GroupCompanies Textron United States Steel Corp Valero Energy