Oil, banks lift Argentina's Merval; Brazil turns lower By: MarketWatch December 29, 2008 at 13:12 PM EST Banks and natural resources stocks lifted Argentinaâs benchmark index as Mexico and Brazil stumble. Read More >> Related Stocks: America Movil S.A.B. DE C.V. ADR Bbva Banco Frances S.A. Grupo Fin Galicia ADR Petrobras - Petroleo Brasileiro S.A.