A股重要指数调样！9月15日生效

Group 1 - The Shanghai Stock Exchange and China Securities Index Co. announced adjustments to the sample stocks of the Sci-Tech 50 and Sci-Tech 100 indices, effective after market close on September 12, 2023 [1][2] - Shengyi Electronics will be added to the Sci-Tech 50 index, while five securities including Aofeite and Zhongke Lanyun will be added to the Sci-Tech 100 index [2] - The total market capitalization of the Sci-Tech 50 index will reach 3.1 trillion yuan, covering 38.9% of the market, while the Sci-Tech 100 index will have a total market capitalization of 1.9 trillion yuan, covering 24.4% [2] Group 2 - The total market capitalization coverage of the Sci-Tech 50, Sci-Tech 100, and Sci-Tech 200 indices combined will be 84.6%, indicating a strong representation of the Sci-Tech board's performance [2] - The top five constituent stocks of the Sci-Tech 50 and Sci-Tech 100 indices remain largely unchanged, reflecting a stable market capitalization structure in the Sci-Tech board [2] - The Sci-Tech board index system now consists of 32 indices, with the total scale of Sci-Tech index products exceeding 320 billion yuan, and the Sci-Tech 50 product scale surpassing 190 billion yuan [3] Group 3 - The performance of the Sci-Tech indices has been strong this year, with the Sci-Tech Composite Index, Sci-Tech 50, Sci-Tech 100, and Sci-Tech 200 indices rising by 43.3%, 35.6%, 46.8%, and 54.9% respectively as of August 29 [3] - The trend of index-based investment is accelerating, with the total scale of ETF products in the A-share market surpassing 5 trillion yuan [4] - Future directions for index-based investment include comprehensive indices, differentiated strategy indices, and innovative strategy products that combine derivatives [4]