Shenzhen Stock Exchange: After revision, there are 1316 sample stocks in the ChiNext Board, covering 95% of listed companies on the ChiNext Board.

After revising the compilation plan of the ChiNext Composite Index, there are 1316 sample stocks in the ChiNext board, covering 95% of the listed companies on the ChiNext board, with a total market value coverage rate of 98%; the top three industries are industry, information technology, and medicine and health, with the weight of high-tech enterprises accounting for 92%, the weight of strategic emerging industries accounting for 79%, and the weight of enterprises in the three key areas of advanced manufacturing, digital economy, and green low-carbon accounting for 74%, fully reflecting the achievements of the ChiNext board in serving technological innovation and the development of new production forces. Next, the Shenzhen Stock Exchange will focus on serving national major strategies and key areas, continuously improving and strengthening the "Chi series" indexes and index products in accordance with the unified deployment of the China Securities Regulatory Commission, enriching the supply of high-quality investment targets, providing diversified choices for medium and long-term capital allocation, and facilitating the high-quality development of the capital market.