Chevron, Denbury bleed; energy stocks see red By: MarketWatch July 23, 2012 at 10:20 AM EDT Nexen OK’s $15 billion acquisition by CNOOC; Talisman sells stake to Sinopec; NRG snaps up GenOn. Read More >> Related Stocks: Cabot Oil & Gas Chevron Corp China Petroleum & Chemical Corp ADR Cnooc Ltd Denbury Resources Energy Select Sector SPDR Exxon Mobil Halliburton Co NRG Energy Pioneer Natural Resources Standard & Poors 500 Williams Companies