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SAO PAULO, Aug 24 (Reuters) - Brazilian stocks plunged more than 5 percent to six-year lows during the first 15 minutes on Monday as concerns about the Chinese economy triggered a rout in global financial markets.
Brazil's benchmark Bovespa stock index last traded 5.7 percent lower at 43,121, its lowest level since early 2009.
Shares of state-run oil company Petroleo Brasileiro SA, or Petrobras, sank 8.5 percent while leading banks Bradesco and Itau Unibanco fell more than 5 percent each. (Reporting by Walter Brandimarte; Editing by Chizu Nomiyama)