On January 6, CSI Index announced that, in accordance with its interim index adjustment rules and methodology, China Securities Index Co., Ltd. has decided to adjust the constituents of the CSI 1000, CSI 500, and CSI A500 indices, with the changes taking effect after the market close on January 9, 2026. According to the published list, Kingsemi (688037.SH) has been added to the CSI 500 Index, Mingyue Optical Lens (301101.SZ) has been included in the CSI 1000 Index, and Mgi Tech (688114.SH) has been added to the CSI A500 Index. Conversely, ST Renfu (600079.SH) has been removed from both the CSI 500 and CSI A500 indices, while Kingsemi has been deleted from the CSI 1000 Index.
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