Chesapeake resumes slide; energy stocks flat By: MarketWatch May 15, 2012 at 10:56 AM EDT Chesapeake Energy Corp. shares tumble as the latest efforts by the company to calm jitters around low natural-gas prices and its cash-flow efforts fell flat. Read More >> Related Stocks: Anadarko Petroleum Chesapeake Energy Chevron Corp Concho Resources Inc Devon Energy Exxon Mobil Marathon Petroleum Pioneer Natural Resources Totalenergies Se ADR