Oil traded near $48 a barrel in New York as OPEC left unresolved Iraq and Iran’s participation in the group’s plan to cut output. Futures swung between gains and losses of as much as 0.6 percent each. Preliminary talks in Vienna ended Tuesday without finalizing how OPEC’s second- and third-largest producers will participate in the deal to reduce production, deferring the matter until the group’s ministerial meeting on Nov. 30, two delegates said Tuesday. U.S. crude stockpiles fell last week, according to industry figures. Government data due Wednesday is forecast to show a gain. Oil has remained volatile amid speculation that the Organization of Petroleum Exporting Countries may fail to implement the output cuts first outlined in September. Iran is boosting production , and Iraq is seeking an exemption because of its war with Islamist militants. Saudi Arabia’s Energy Minister Khalid Al-Falih has expressed optimism , and traders and […]