A股收评：沪指微跌0.05% 半导体板块午后走强

Core Viewpoint - A-shares experienced slight fluctuations with the Shanghai Composite Index down by 0.05%, while the Shenzhen Component and ChiNext Index also saw minor declines, indicating a mixed market sentiment [1] Market Performance - The three major A-share indices showed narrow fluctuations, with the Shanghai Composite Index falling by 0.05%, the Shenzhen Component down by 0.05%, and the ChiNext Index decreasing by 0.13% [1] - Over 3,500 stocks in the market rose, with total trading volume exceeding 1 trillion yuan [1] Sector Highlights - The PEEK materials sector saw significant gains, with stocks such as Jusheng Technology, Xinhan New Materials, Zhongxin Fluorine Materials, and Dayang Biological all hitting the daily limit [1] - The semiconductor sector strengthened in the afternoon, with Zhaoyi Innovation reaching the daily limit and companies like Xidi Micro and New Xiang Micro rising over 10% [1] - The power sector experienced a pullback, with stocks like Shaoneng Co., Leshan Electric Power, and Xichang Electric Power hitting the daily limit down [1] - Other sectors that performed well included chemicals, robotics, automotive parts, and AI medical concepts, while shipping, cross-border payments, and liquor sectors faced declines [1]