Customers look at the iPhone13 smartphones at apple's flagship store in Shanghai, China.Xing Yun | Future Publishing | Getty ImagesShipments of Apple's iPhone remain strong despite regional uncertainty and economic headwinds that dragged global phone shipments down 9% year over year in the second quarter, according to new data from research firm Canalys.Apple had a 17% share of global phone shipments in Q2, up from 14% in the year-earlier quarter, Canalys said, noting that the iPhone 13 remains in high demand. Samsung has the largest share with 21% of the market, according to Canalys, but that was largely on the......