上证580指数即将发布 为市场注入新活力

Group 1 - The Shanghai Stock Exchange and China Securities Index Co., Ltd. announced the optimization of the Shanghai 380 Index and the launch of the Shanghai 580 Index, aimed at providing a richer set of investment targets for the market [1][2] - The Shanghai 380 Index has been in place for over ten years, but its compilation scheme has shown limitations in representativeness, rule uniformity, and sample stability, necessitating updates [1] - The new Shanghai 580 Index will focus on small-cap stocks, addressing the current lack of representation for small market capitalization companies in the existing indices [1] Group 2 - The Shanghai 580 Index will consist of 580 securities selected from the Shanghai market, characterized by smaller market capitalization and better liquidity, reflecting the overall performance of small-cap stocks [2] - Approximately 30%, 40%, 50%, and 60% of the sample weight in the Shanghai 580 Index will come from sectors such as the Sci-Tech Innovation Board, specialized and innovative enterprises, private economy, and emerging industries, highlighting its innovative small-cap attributes [2] - Following the optimization and new issuance, the Shanghai Stock Exchange will have a flagship broad-based index system consisting of the Shanghai 50, Shanghai 180, Shanghai 380, and Shanghai 580, covering 50% of the number of securities and nearly 90% of the market capitalization in the Shanghai market [2]