US stocks open lower before service-sector data By: CNBC.com News August 05, 2014 at 09:34 AM EDT U.S. stocks opened in decline on Tuesday after a report showed a slowdown in China's service sector ahead of a U.S. reading. Read More >> Related Stocks: AMC Networks Cl A Activision Blizzard Archer-Daniels-Midland Berkshire Hathaway Brookfield Asset Management CBS Corp CVS Health Corp Cablevision Systems CenturyLink Chesapeake Energy Coach Computer Sciences Devon Energy Exxon Mobil Fireeye Inc First Solar Frontier Communications Gannett Co Groupon Cl A Jack IN The Box Inc Michael Kors Holdings Molson Coors Brewing Mondelez International Monster Beverage NVIDIA Corp News Corporation Ralph Lauren Corp Scotts Miracle-Gro Company Sempra Energy Sentinelone Inc Cl A Sprouts Farmers Market Stratasys Ltd Target Corp Teradata Corp Time Warner Transocean Ltd Viacom Zynga Inc Cl A