Major oil-producing nations, seeking to curb a flood of supply that’s cut prices almost in half in the past year, agreed to wrap up talks on capping output by the start of March, according to Russia’s Energy Ministry. “We agreed that all consultations should be completed by March 1,” Energy Minister Alexander Novak told state TV on Saturday. Countries publicly supporting the deal export about three-quarters of the world’s crude, so it “would be a positive signal” for the market, Novak said. Saudi Arabia, Russia, Venezuela and Qatar reached a preliminary agreement in Doha on Tuesday to freeze output at January levels if other states join them. The deal’s success hinges most notably on the attitude of Iran, which has vowed to raise production by 1 million barrels a day after sanctions on the nation’s exports were lifted last month. Iran Constructive Iran was “constructive” on the Doha outcome, […]