Growing demand for pocket-sized imaging gadgets has allowed DJI and Insta360 to tighten their grip on the global smart camera market, with the two Chinese brands accounting for nearly 90 per cent of total shipments as they squeeze out US pioneer GoPro.Worldwide shipments of handheld smart cameras – defined by IDC as consumer-grade portable devices with onboard computing, stabilisation, and 2K-or-higher resolution – reached 4.14 million units in the first quarter, according to the market...