China Securities Index Company: Adjusting the sample of the Shanghai and Shenzhen 300, CSI 500, CSI 1000, CSI A500 and other indices will take effect after the market closes on December 12th.

According to the index rules, after review by the Index Expert Committee, China Securities Index Co., Ltd. has decided to adjust the samples of the Shanghai and Shenzhen 300, CSI 500, CSI 1000, CSI A50, CSI A100, and CSI A500 indices, effective after the close of trading on December 12, 2025. Among them, the Shanghai and Shenzhen 300 index will replace 11 samples, the CSI 500 index will replace 50 samples, the CSI 1000 index will replace 100 samples, the CSI A50 index will replace 4 samples, the CSI A100 index will replace 6 samples, and the CSI A500 index will replace 20 samples. The list shows that Suzhou Dongshan Precision Manufacturing (002384.SZ), Kuang-Chi Technologies (002625.SZ), Beijing Enlight Media (300251.SZ) and others have been included in the Shanghai and Shenzhen 300 index, while FAW Jiefang Group (000800.SZ), China Longyuan Power Group Corporation (001289.SZ), Ninestar Corporation (002180.SZ) and others have been removed from the Shanghai and Shenzhen 300 index. This article is excerpted from the "China Securities Index Co., Ltd. official website"; GMTEight editor: Li Fo.