The U.S. Commerce Department should end all technology exports to Huawei and China's top semiconductor firm following the discovery of new chips in Huawei phones that may violate trade restrictions, the chair of the House of Representatives' committee on China said on Wednesday. The comments from Representative Mike Gallagher, an influential Republican lawmaker whose select committee has pressed the Biden administration to take a tougher stance on sending U.S. technology to China, come after Chinese electronics giant Huawei last week started selling a phone called the Mate 60 Pro. The phone contains a chip that analysts believe was made with...