[Afternoon Commentary: Kechuang 50 fell nearly 3% in half a day, with more than 5,100 stocks falling across the market] On September 11, the market weakly bottomed out in early trading, and Kechuang 50 fell nearly 3%. The half-day turnover of the Shanghai and Shenzhen stock markets was 1.27 trillion, which was 183.3 billion higher than the previous trading day. Hot spots on the market were rotating weakly, and more than 5,100 stocks in the market fell. From the perspective of sectors, the electric power sector was active against the trend, with Mindong Electric Power, Jiangsu New Energy, and Hangzhou Thermal Power rising by the daily limit; the PCB concept was partially strong, with Aohong Electronics and Concorde Electronics rising by the daily limit; the military industry sector was active against the trend, with Inner Mongolia Machinery rising by the daily limit; AI hardware such as fiber optics and copper cables were partially active, with Shenyu, Mingpu Opto-Magnetic, and Optoelectronics rising by the daily limit. In terms of decline, copper and precious metals led the decline in the non-ferrous sector, with Northern Copper falling by the limit; the Internet financial sector pulled back sharply, with Wealth Trends and Watson & Co falling by more than 10%. As of the close, the Shanghai Stock Exchange Index fell 1.81%, the Shenzhen Component Index fell 2.34%, and the ChiNext Index fell 2.04%.