Core Viewpoint - Semiconductor stocks are experiencing significant declines, with notable drops in shares of Huahong Semiconductor and SMIC amid potential changes in U.S. export regulations regarding AI chips to China [1] Group 1: Stock Performance - Huahong Semiconductor (01347) has dropped by 8.05%, trading at 67.35 HKD [1] - SMIC (00981) has decreased by 5.6%, trading at 64.95 HKD [1] Group 2: Regulatory Developments - The Trump administration is reportedly considering approving the export of NVIDIA's H200 AI chips to China [1] - The U.S. Department of Commerce is reviewing changes to export restrictions to China, which may lead to alterations in current policies [1] - No official response has been provided by the U.S. Department of Commerce, and NVIDIA has not commented directly on the matter [1]