Multiple stock index constituents began to adjust today, with further enhancement of representativeness after the adjustment.

Jinshi Data News on December 16th, today (December 16th), multiple stock indexes in A-shares will adjust their constituent stocks, involving securities exchanges in Shanghai, Shenzhen, and the North. The adjustment this time includes multiple indexes such as the CSI 300, CSI A500, which are followed by investors with high attention and have supporting fund sizes reaching hundreds of billions. The indexes being adjusted this time include the CSI 300, CSI A50, CSI A500, SSE 50, SSE 180, SZSE Component Index, ChiNext Index, and BGI 50, covering multiple important indexes of securities exchanges in Shanghai, Shenzhen, and the North. Journalists found that besides the basic adjustment rules, the direction of constituent stock adjustment emphasized by multiple indexes is to reflect the direction of new productive forces development and introduce the concept of sustainable investment in environment, social, and governance (ESG).