BUZZ-U.S.-listed Brazil stocks: Polls show Neves losing momentum
** U.S.-listed shares of Brazilian companies fall after opinion polls showed market-favorite Aecio Neves lost momentum in the run-up to Sunday's tightly contested presidential election
** Election is between incumbent Dina Roussef and her pro-business rival Neves, who rode a late surge in support in the final days before the first round of voting
** Brazil's benchmark Bovespa stock index down 2.4 pct at 10:45 a.m. ET
** U.S.-listed shares of state-owned oil producer Petroleo Brasileiro Petrobras SA down about 4 pct at $13.45, airline company Gol Linhas Aereas Inteligentes SA down 4 pct at $4.66
** Private sector bank Banco Bradesco SA down about 5 pct at $14.19; non-government bank Itau Unibanco Holding SA down about 5 pct at $13.75
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