Rising gold prices amid the Middle East war have boosted trade in the precious metal in Hong Kong, with residents lining up to sell valuables for cash and retailers reporting that twice as many people are buying bars and pellets.Spot gold stood at US$5,165 per ounce on Thursday, below January’s peak of US$5,594.82, but still near historic high levels as US-Israel strikes in Iran stoked safe-haven demand.The conflict has spread rapidly across the Middle East, drawing in Iranian-backed militias...