币界网报道:On June 20, 2023, NVIDIA shares fell more than 1.5% and TSMC shares fell 1.90%. Earlier, the Wall Street Journal reported that the United States plans to take action against its allies' chip factories in China as part of a broader measure to restrict technology exports to China. The United States plans to revoke exemptions for companies such as Samsung, SK Hynix and TSMC, which currently allow them to use American technology in Chinese factories without applying for licenses on a case-by-case basis.