Volatilidade da guerra no Irã tensiona negociações nos maiores mercados do mundo https://www.reuters.com/business/finance/global-markets-trading-analysis-pix-2026-03-30/?taid=69ca393f1de6e000018af12e https://www.reuters.com/business/finance/global-markets-trading-analysis-pix-2026-03-30/?taid=69ca393f1de6e000018af12e