Any nuclear deal between Iran and six world powers loosening sanctions against Tehran could flood an oversupplied oil market with more fuel, yet sectors like cement and steel would see a rise in demand as the country works to revitalize its economy. Officials involved in ongoing negotiations said on Sunday they were close to a deal that would bring sanctions relief in exchange for curbs to Tehran’s atomic program, although no agreement was expected before Monday. Analysts have focused largely on oil in determining the impact on international commodities markets if sanctions are lifted. The timing of any lifting of the measures that have cut Iran’s crude exports as well as a United Nations Security Council arms embargo and ban on its ballistic missile program have been among the major sticking points on reaching a deal. But even with a diplomatic agreement this week it would take time for […]