Dólar canadense aprofunda queda acentuada em março e se aproxima de 1,40 por dólar americano https://www.reuters.com/business/canadian-dollar-extends-steep-march-decline-nears-140-per-us-dollar-2026-03-31/?taid=69cc0960c62dfa000157c9b2 https://www.reuters.com/business/canadian-dollar-extends-steep-march-decline-nears-140-per-us-dollar-2026-03-31/?taid=69cc0960c62dfa000157c9b2