The Ibovespa rose 0.5% to close at 162,761 on Thursday, as investors watched escalating geopolitical tensions and mixed commodity flows. Petrobras rose 2.3% as oil prices firmed after a surprise US crude draw and market re-pricing of near-term Venezuelan supply risks following the seizure of two Venezuela-linked tankers and the US operation that removed Nicolas Maduro from power. Most banks traded higher led by Santander (+1.2%) Ita