Summary:

- The United States and Japan are reportedly nearing a breakthrough deal that would restrict the export of advanced semiconductor technology to China.
- The agreement is aimed at limiting China's ability to obtain cutting-edge chips and chipmaking equipment, which are crucial for the development of advanced technologies like artificial intelligence and supercomputing.
- The deal is part of a broader effort by the U.S. and its allies to curb China's technological advancement and maintain a technological edge over the country in strategic industries.