Brazil stocks fall after China posts trade deficit By: MarketWatch March 12, 2012 at 10:55 AM EDT Equities fall in Sao Paulo as trade data suggest an economic slowdown for China, Brazil’s biggest trading partner, and check investor enthusiaism. Read More >> Related Stocks: Petrobras - Petroleo Brasileiro S.A. Standard & Poors 500 Vale ADR Representing One Ord Shs