The escalation of the Iran war has heightened inflation concerns, leading to a rebound in gold prices on Friday as investors bought on dips. Spot gold rose by USD118 or 2.7% to USD4,494 per ounce. Gold futures for April delivery increased by USD116.2 or 2.7% to USD4,492.5 per ounce.Silver futures for May delivery rose by 2.7% to...