EWZ ▲ +11.3% - iShares MSCI Brazil ETF $EWZ NU Brazilian bank stocks surged due to Flávio Bolsonaro's surprise first-round election lead over Lula on Oct 4, 2026, sparking optimism for fiscal discipline, lower deficits, and accelerated Selic rate cuts that ease pressure on borrowers and boost bank profitability and lending. 05-OCT-2026 05:57 AM ET