[Afternoon Commentary: The Science and Technology Innovation 50 Index fell more than 2% in half a day, and innovative drugs and CRO concept stocks collectively strengthened] On September 30, the three major indexes had mixed gains and losses. The Shanghai Index fluctuated in the red, and the ChiNext Index opened higher and fell back to green. The half-day turnover of the Shanghai and Shenzhen stock markets was 909.3 billion, 33.1 billion higher than the previous trading day. More than 2,700 stocks across the market fell. On the market, themes are rotating rapidly, innovative drugs and CRO concepts are strengthening. CanSino and Technomax have reached their daily limit of 20CM, while Minova and Kangchen Pharmaceutical have reached their daily limit; Robot Xiangyang Bearing 4-connected plate, Ningbo Dongli and Longxi shares have reached their daily limit; State Battery Zizhu Hi-Tech, Chuanyi Technology, and Shanghai Xiba all went out of the 2-game board; Automotive Songzhi Co., Ltd. and Songyuan Safety rose by the daily limit; the real estate sector rebounded during the day, with Zhongtian Services and Lujiazui hitting the daily limit, and Shenzhen Property A staged a "floor-to-ceiling plateau." On the downside, the semiconductor industry chain experienced shock and adjustment, with VeriSilicon shares falling by more than 10%, and Kangqiang Electronics, Suiyuan Technology, Huafon Measurement and Control, etc. all falling. As of the close, the Shanghai Stock Exchange Index rose 0.27%, the Shenzhen Component Index fell 0.06%, and the ChiNext Index fell 0.17%.