Monday's biggest gaining and declining stocks By: MarketWatch May 10, 2010 at 08:09 AM EDT Stocks expected to move significantly in Monday's trading include CPI International, Denny's, Exco, Moody’s and Tyson Foods. Read More >> Related Stocks: Comtech Telecom Company Dennys Corp Dish Network Corp Echostar Corp Moody's Corp NRG Energy Tyson Foods Wells Fargo