According to statistics, on December 17, post-market disclosures revealed increased shareholdings in companies including MCC, SP Testing, and Huakai Yibai. Meanwhile, 11 A-share listed companies, such as Huayi Brothers Media Corporation, ASR Microelectronics, Zhonglun New Materials, Dayang Biology, Sanwei World, Changying Precision, Bidding Shares, Goldwind Science & Technology, Tianyue Advanced, Shengtai Group, and Xingye Shares, disclosed reduced holdings.