Ibovespa Drops on Vale, Bank Pressure; Tight Lula-Bolsonaro Poll Weighs

Brazil's Ibovespa fell, pressured by Vale and banking stocks, while investors digested a new Quaest poll showing a tight race between Lula and Flávio Bolsonaro. The poll confirms a close election scenario, adding political uncertainty that may weigh on market sentiment. The decline reflects risk-off positioning amid election jitters and commodity-linked stock weakness.