The U.S. will ban new Chinese data center parts . Officials want to protect AI networks from data theft . The rules focus on parts for fast fiber cables . The government plans to start these rules this year . Early security stops foreign companies from adding hidden risks . U.S. tech stock prices rose quickly after the news . China asked the U.S. to stop blocking businesses . American companies may pay more for new suppliers . Leaders want to avoid using hard - to - remove foreign parts . This plan follows earlier bans on foreign drones .

Phrases:

across the country . 全國 . artificial intelligence . 人工智能 . focus on . 聚焦於 . forced to . 被迫 . hard to . 很難 . promised to . 承諾 . take steps . 邁進 . tech stock . 科技股 . United States . 美國 .