中国基金报·2025-08-07 02:43Market Overview - The A-share market opened high but closed lower, with the ChiNext index dropping by 1% at one point. The trading volume of the Shanghai and Shenzhen markets exceeded 500 billion yuan within half an hour of opening [2][3]. Medical Sector Performance - The medical sector showed strong performance, with medical device, in vitro diagnostics, brain-computer interface, blood products, and optical module (CPO) stocks leading the gains. Notable stocks included: - Sino Medical (赛诺医疗) surged by 20.01% to 17.03 yuan, with a market cap of 7.1 billion yuan [10]. - Other stocks like Dabo Medical (大博医疗) and Yingke Medical (英科医疗) also saw significant increases [9][10]. Consumer Electronics and Related Stocks - Consumer electronics manufacturing stocks experienced a notable rise, with Industrial Fulian (工业富联) increasing by over 7% and other companies like GoerTek (歌尔股份) and Lingyi Technology (领益智造) following suit [6][7]. Baby and Child Concept Stocks - The baby and child concept stock Beijiajie (倍加洁) faced a significant drop, hitting the limit down, with a trading price of 41.47 yuan per share and a trading volume exceeding 200 million yuan. This followed a period of rapid price increases due to favorable policy announcements regarding free preschool education [11][13]. Steel and Military Equipment Sectors - The steel sector showed weakness, with Xining Special Steel (西宁特钢) dropping over 8%. Other companies like Liugang (柳钢股份) and Baosteel (包钢股份) also experienced declines [16][17]. - The military equipment sector opened high but also closed lower, with companies like Hengyu Xintong (恒宇信通) seeing a drop of over 10% [14][16].