By Caroline Valetkevitch
NEW YORK (Reuters) - U.S.-listed shares of Brazilian companies were down sharply on Friday after an opinion poll showed Brazilian President Dilma Rousseff has narrowed the lead of her top challenger, Marina Silva, in a likely runoff race.
Brazilian markets had gained in recent weeks when other polls showed Silva eventually defeating Rousseff. The current administration has been criticized by investors for excessive intervention in the economy.
U.S.-listed shares of state-run oil company Petrobras
Shares of Banco Bradesco
The BNY Mellon index of Latin American ADRs <.BKLA> was down 3 percent, outpacing losses on the bank's index of leading American depositary receipts <.BKADR>, which was down 0.6 percent.
(Editing by Nick Zieminski)