A shares midday review: Sci-tech Innovation 50 Index fell 3.63% in the morning session, with precious metals, semiconductor, and copper cable high-speed connection sectors showing the largest declines.

In the morning session, the three major A-share indexes collectively fell. As of midday, the Shanghai Composite Index fell by 1.26%, the Shenzhen Component Index fell by 2.49%, and the ChiNext Index fell by 2.83%. The Bei50 Index rose by 2.1%, and the Kechuang 50 Index fell by 3.63%. The total turnover of the entire market was 1.7953 trillion yuan, a decrease of 108.9 billion yuan from the previous day, with over 4,500 stocks falling. In terms of sector themes, the top performers were construction machinery, oil and gas exploration and services, banks, reducers, and chicken breeding sectors. The top losers were precious metals, semiconductors, copper cable high-speed connectors, CPO, and storage chip sectors. On the market, the oil and gas exploration and services sector opened low and then rose, with Science Tech Stock rising by more than 19% at one point during the trading session. Tongyuan Petroleum, Qianeng Hengxin, CNOOC, and Zhongman Petroleum followed suit. The chicken breeding sector rose in the early session, with Xiangjia Stock hitting the limit up, and Xiaoming Stock, Jingji Zhinong, Yisheng Stock, and Lihua Stock leading the gains. The reducer sector opened low and then rose, with Fengguang Precision 30cm hitting the limit up, Ningbo Dongli hitting the limit up, Wantong Hydraulic, Dingzhi Technology, and Green Harmonics rising by more than 10%, and Zhongdalide, Kedali, and Haozhi Mechanical and Electrical following suit. The precious metal sector performed poorly, with Sichuan Gold, Shanjin International, and Xingye Silver Tin leading the declines, and Xiaocheng Technology, Zhongjin Gold, Chifeng Gold, Hunan Silver, and Zijin Mining all falling. The semiconductor sector opened significantly lower and fluctuated, with Sinewave Micro, Dongwei Semiconductor falling by more than 9%, and Yutai Micro, Zhuosheng Micro, Juglight Technology, and Guosen Technology following suit. The CPO sector also showed weakness, with Hongyuan Electronics hitting the limit down, Ben Chuan Intelligent, Alex, Zhongjing Electronics, Tengjing Technology, and Yidong Electronics leading the declines.