Key Takeaways Apple regained a top-five spot in China's smartphone market for the third quarter, according to new research. International Data Corp. said Apple's 15.6% share of the Chinese smartphone market declined from 16.1% a year ago but nevertheless was good for the second-most sales. Apple fell out of the top five in IDC's research during the second quarter, as its sales in China struggled in the first half of the year as domestic competitors like Huawei, vivo, and Xiaomi gained ground. Apple (AAPL) h ...