Latin American stocks drop on U.S. credit outlook By: MarketWatch April 18, 2011 at 14:21 PM EDT Latin American stocks slump, falling alongside U.S. stocks after Standard & Poor’s cut its credit outlook on the U.S. Read More >> Related Stocks: America Movil S.A.B. DE C.V. ADR Gerdau S.A. ADR Grupo Mexico Sa B Sh Petrobras - Petroleo Brasileiro S.A. Vale ADR Representing One Ord Shs