Saudi Aramco’s trading arm will start trading non-Saudi crude oil to mainly feed its international joint ventures as the world’s largest oil exporter seeks to optimize profits, industry sources familiar with the move said. The expansion into crude comes as Saudi Aramco is working to boost its valuation ahead of the planned listing of up to 5 percent of its shares on one or more international stock exchange next year, in what could be the world’s biggest initial public offering. Saudi Aramco declined to comment. Set up in 2012 to market refined products, base oils and bulk petrochemicals, Aramco Trading Company (ATC) will expand into crude […]