BUZZ-U.S.-listed Brazil companies: Set to open lower as Rousseff wins
** Brazilian companies' U.S.-listed shares skid in premarket trading after Dilma Rousseff narrowly wins presidential election on Sunday, beating pro-business rival Aecio Neves
** Investors skeptical about Rousseff's ability to turn around a troubled economy after four years of ineffective industrial policies
** Brazil's benchmark Bovespa stock index down 5.5 pct at 08:33 a.m. ET
** U.S.-listed shares of state-owned oil producer Petroleo Brasileiro Petrobras SA lead the premarket decline, down about 18 pct, utility company Companhia Energetica de Minas Gerais Cemig down 17 pct, airline company Gol Linhas Aereas Inteligentes SA down 10 pct
** Other premarket decliners include private sector bank Banco Bradesco SA down 10 pct, non-government bank Itau Unibanco Holding SA down 10 pct, telecommunications company Telefonica Brazil SA down 6 pct
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