https://www.reuters.com/article/us-china-smartphones/huawei-smartphone-shipments-in-china-plunge-by-half-in-q1-canalys-idUSKBN2CG0GN >China's Huawei Technologies Co Ltd, once the world's biggest smartphone maker, saw its phone shipments to retailers and other sellers within China plunge by half in the first quarter, as U.S. sanctions on its supply chain crimped expansion even as the overall smartphone market rebounded.