The China Securities CCB Leading Science and Technology Innovation (Yangtze River Delta) Index, prepared in cooperation with the Shanghai Stock Exchange, China Securities Index Company and China Construction Bank, was officially released. The index is based on CCB's science and innovation evaluation index system. 50 securities of representative listed companies with strong scientific and technological innovation capabilities and good growth were selected from among listed companies with strong scientific and technological innovation capabilities in the Yangtze River Delta region as an index sample, reflecting the overall performance of listed company securities with both representative scientific and technological innovation and growth characteristics in the Yangtze River Delta region. Industry insiders said that the index is an important step for the capital market to cooperate with commercial banks to promote high-quality development. It will help guide the accumulation of social capital to high-quality listed technology companies through indexed investment, help listed technology companies finance, serve high-level technological self-reliance and self-improvement, and support the integration of science and innovation in the Yangtze River Delta and the development of new quality productivity.