Hong Kong’s luxury residential rents are likely to climb another 3 to 5 per cent next year as growing numbers of returning Western expatriates and home-grown professionals drive demand for high-end accommodation, according to Savills.Deals were expected to exceed the 660 last year, said Jack Tong, the property consultancy’s director of research. “The outlook remains cautiously positive,” he added.For next year, Savills expected “stable to gently rising luxury rents as the supply of prime units...