Exxon Mobil, $100-a-barrel oil lift energy stocks By: MarketWatch June 08, 2011 at 10:52 AM EDT Exxon unveils a big discovery in the Gulf of Mexico, sending its shares higher. Read More >> Related Stocks: Apache Corp Cabot Oil & Gas Eni ADR [Cdi] Exxon Mobil Occidental Petroleum Petrobras - Petroleo Brasileiro S.A. Range Resources Standard & Poors 500