French prosecutors said Wednesday they have assigned a judge to launch a formal investigation into alleged misappropriation of funds at Renault SA by former CEO Carlos Ghosn.The prosecutors have stepped up their probe after launching a preliminary investigation a year ago, handing the case to an investigating magistrate who has the power to order custodies and make international arrangements.The inquiry was opened into suspicious financial flows between Renault and Omani distributor Suhail Bahwan Automobiles LLC, with millions of euros suspected to have been spent by a joint venture set up …READ FULL ARTICLE