The dollar sank to its lowest level in a month while the euro, yen, Aussie and kiwi rallied hard in Asian trading on Wednesday after US President Donald Trump said he had agreed to a two-week ceasefire with Iran. The yen strengthened 0.7% against the greenback to 158.50 per dollar. The euro was up 0.7% at $1.1677, while the British pound appreciated 0.8% to $1.3403. The Australian dolla