Singapore pizza shop owner Roy Chan has ridden out more than one business shock – from the Covid-19 pandemic to US tariff pressures – but he now sees another looming threat. Suppliers for ingredients used at his Goldenroy Sourdough Pizza restaurant had warned prices could soon rise by up to 30 per cent following a surge in oil prices due to the escalating Iran war, Chan said. “Delivery providers have not increased prices yet, but it may come in the next few weeks or months,” he added. Like Chan,...