Brazil, Chile gaining as U.S. data improves By: MarketWatch June 18, 2009 at 14:46 PM EDT Latin American equity markets rise amid gains on Wall Street on data that highlighted an improving U.S economic picture. Read More >> Related Stocks: Cemex S.A.B. DE C.V. ADR Companhia Siderurgica Nacional ADR Petrobras - Petroleo Brasileiro S.A. Sociedad Quimica Y Minera DE Chile ADR R Vale ADR Representing One Ord Shs