Asian shares rally, oil prices tumble as Trump announces Iran-Israel ceasefire

Global shares surged and the dollar weakened following reports of a ceasefire agreement between Iran and Israel, brokered by U.S. President Trump. Oil prices plummeted as concerns over supply disruptions eased, boosting risk assets. The yen and euro gained due to their reliance on oil imports, while U.S. Treasury yields rose slightly amid shifting expectations for Federal Reserve rate cuts.