8月1日午间收评：沪指半日跌0.19%，医药、光伏板块集体走强

Market Overview - The market experienced a morning surge followed by a slight decline, with the three major indices showing minor losses [1] - The Shanghai Composite Index fell by 0.19%, the Shenzhen Component decreased by 0.15%, and the ChiNext Index dropped by 0.16% [1] Sector Performance - The pharmaceutical sector continued its strong performance, with stocks like Qizheng Pharmaceutical and Fuyuan Pharmaceutical hitting the daily limit [1] - The photovoltaic sector saw collective gains, with stocks such as Jiejia Weichuang and Shuangliang Energy also reaching the daily limit [1] - The express logistics sector rose, with Shentong Express and Yunda Holdings closing at the daily limit [1] - Conversely, the sports concept sector declined, with Gongchuang Turf hitting the daily limit down [1] Stock Movement - A total of 2,812 stocks rose, with 40 stocks hitting the daily limit up; 2,073 stocks fell, with 4 stocks hitting the daily limit down [1] - There were 16 stocks that experienced a "炸板" (a term indicating a stock hitting the limit and then falling back), resulting in a 30% limit hit rate [1]