Brent crude plunged 5.1% to US$78.96 a barrel — its lowest in three months — after the US and Iran digitally signed a framework peace deal expected to reopen the Strait of Hormuz. The European Parliament also cleared the final hurdle on the EU-US tariff deal agreed last July, approving zero duties on US industrial goods just weeks before a White House deadline. For Singapore — a city-state that depends on the Hormuz chokepoint for energy imports and sits at the...