Hong Kong developer Hang Lung Properties expects the city’s retail sector to remain sluggish this year amid a prolonged industry slump, while an unresolved tariff war with the US keeps businesses and consumers in mainland China is limbo.“The recent trade disputes and escalating restrictions between the US and China have created uncertainties in the global economy,” chairman Adriel Chan said in a statement after reporting weak first-half results on Wednesday. This could stall interest-rate cuts,...