Dólar canadário sobe com otimismo no Oriente Médio e eleva apetite ao risco https://www.reuters.com/business/canadian-dollar-gains-mideast-optimism-boosts-risk-appetite-2026-04-01/?taid=69cdabac76384e00010aae05 https://www.reuters.com/business/canadian-dollar-gains-mideast-optimism-boosts-risk-appetite-2026-04-01/?taid=69cdabac76384e00010aae05