US stops exports of tools to China’s number two chip maker — Hua Hong and Huali Microelectronics reportedly on the cusp of starting a 7-nm fab in Shanghai

Applied Materials, KLA, and Lam Research received letters from the U.S. Department of Commerce preventing them from shipping some of Hua Hong's orders for the latest chipmaking tools. These are reportedly being planned for use on the Chinese company's planned 7-nm fab in Shanghai.