CNBC | OPEC's big three are battling for market share until the bitter end CNBC Members of the Organization of the Petroleum Exporting Countries have suffered serious economic pain as oil prices have languished over the last two years. But OPEC's largest producers —Saudi Arabia, Iraq and Iran — as well as nonmember Russia ... US equity indices hit records as oil rallies Dow Closes Above 19000 for First Time U.S. Stocks Hit Highs as Oil Jumps; Yen Rises on Tsunami Warning |