Brazilian stocks among today's big winners

• Petrobras (PBR +7.6%) leads Brazilian stocks higher as support for Pres. Rousseff continues to shrink according to a new opinion poll.
• Brazil's real rose for a third straight day in the longest stretch of increases in almost a month, as speculation grows that Rousseff will face a runoff after the October election.
• Other big Brazilian gainers: EDN +7.6%, EBR +6.6%, BBD +4.9%, ITUB +4.2%, CIG +3.6%, VALE +2.7%, BSBR +2%, ELP +1.4%.