Apple Inc was China’s top-selling smartphone brand in the final quarter of last year, industry research showed, taking top spot in the world’s largest mobile market for the first time since 2015. The newly released iPhone 13 helped Apple outsell Chinese rivals Vivo Communication Technology Co (??) and Oppo Mobile Telecommunications Corp (??) after Huawei Technologies Co (??) plummeted down the rankings, Counterpoint Research said in a report yesterday. Apple’s sales in the country surged 32 percent even while the overall domestic market shrank 9 percent, hurt by chip shortages and an economic slowdown that have constrained production and consumer...