Japão intensifica a pressão no câmbio à medida que a volatilidade sobe e sinaliza disposição para agir https://www.reuters.com/world/asia-pacific/japan-finance-minister-warns-high-fx-volatility-signals-readiness-act-2026-04-03/?taid=69cf67d2f0c12100012b8d04 https://www.reuters.com/world/asia-pacific/japan-finance-minister-warns-high-fx-volatility-signals-readiness-act-2026-04-03/?taid=69cf67d2f0c12100012b8d04