China Tells Companies to Stop Buying Nvidia Chip With AI Uses

China’s cyberspace regulator has instructed companies including Alibaba Group Holding Ltd. to halt orders for Nvidia Corp.’s RTX Pro 6000D, a semiconductor for workstations that can be repurposed for artificial-intelligence applications.

The Cyberspace Administration of China told companies this week to stop testing the chip and cancel existing orders, according to people familiar with the matter, who asked not to be identified because the decision isn’t public. Several companies had indicated before the directive that they would buy tens of thousands of the semiconductors, which Nvidia designed to avoid triggering US restrictions on sales of advanced AI chips to ...