【每日收评】三大指数缩量整理涨跌互现，单日成交额萎缩超万亿，商业航天、AI应用端遭重挫

Core Viewpoint - The market showed mixed performance with the Shanghai Composite Index dipping below 4100 points at one point, while the ChiNext Index rebounded in the afternoon. Overall, over 3100 stocks declined, indicating a lack of clear market direction [1]. Market Performance - The total trading volume in the Shanghai and Shenzhen markets was 2.91 trillion yuan, a decrease of 1.04 trillion yuan compared to the previous trading day [1]. - The Shanghai Composite Index fell by 0.33%, while the Shenzhen Component Index rose by 0.41%, and the ChiNext Index increased by 0.56% [1]. Sector Analysis - The semiconductor sector saw a strong performance in the afternoon, with stocks like Silan Microelectronics hitting the daily limit and reaching a historical high. Other notable gainers included Tongcheng New Materials and Kangqiang Electronics [1][2]. - The CPO concept also experienced a surge, with companies like Huanyu Electronics reaching the daily limit. The CES 2026 event highlighted Nvidia's new Rubin architecture, which aims to significantly enhance AI performance [2]. - The tourism and hotel sector was active, with stocks such as Shaanxi Tourism and Zhongxin Tourism hitting the daily limit. This activity was partly driven by news of an investigation into Ctrip for alleged monopolistic behavior [3]. Individual Stock Movements - A significant number of stocks experienced sharp declines, with over a hundred stocks hitting the daily limit or dropping more than 10%. The commercial aerospace sector continued to adjust, with all stocks in the sector declining [5]. - The AI application sector also weakened, with stocks like Tianlong Group and Zhidema hitting the daily limit. However, some stocks like Huasheng Tiancai and Vision China showed resilience [5]. Future Market Outlook - The market exhibited a mixed trend, with the three major indices maintaining above their 10-day moving averages, indicating potential support. The trading volume decreased significantly, which may favor market continuation [7]. - The recent adjustments in the commercial aerospace and AI application sectors could lead to a capital return, with a focus on the semiconductor and computing hardware sectors as potential leaders in future market movements [7].