Apple is closing a retail store in Dalian, marking the US firm’s first shutdown of a directly managed outlet on the mainland amid struggling iPhone sales. Meanwhile, Huawei Technologies returned to the top of China’s smartphone market in the second quarter. The store, located in the northeastern city’s landmark Parkland shopping centre, will cease operations on August 9, according to Apple’s website, leaving the city of 7.5 million residents with just one remaining Apple-owned outlet. The...