Taiwan Semiconductor Manufacturing Company (TSMC), the world’s largest contract chipmaker, told its graphics-processor and AI-accelerator clients in mainland China that the company will no longer produce advanced chips for them, according to a person familiar with the matter. TSMC said in a notice sent earlier this week that it will stop accepting orders requiring the processing of advanced nodes at 7-nanometre or smaller from those customers starting next week, according to the source, who is a