China bars operators from buying chips from US tech company

China bans US chipmaker Micron days after the G7 members launched veiled criticism of China’s trade practices. China’s cyberspace regulator says the products made by US memory chipmaker Micron Technology Inc have failed its network security review and it would bar operators of key infrastructure from making purchases from the company. The decision, announced on Sunday amid a dispute over chip technology between Washington and Beijing, could include sectors ranging from telecoms to transport and finance, according to China’s broad definition of critical information infrastructure. “The review found that Micron’s...