A股收评 | 沪指缩量微跌！成交连续4个交易日超2.5万亿

Market Overview - The Shanghai Composite Index experienced narrow fluctuations, with the ChiNext Index dropping over 1% at one point. The total trading volume was 2.8 trillion, a decrease of 538 billion from the previous trading day, marking the fourth consecutive day above 2.5 trillion. Over 3,700 stocks rose, with more than 100 stocks hitting the daily limit. By the close, the Shanghai Composite Index fell by 0.07%, the Shenzhen Component Index by 0.51%, and the ChiNext Index by 0.82% [1]. Hot Sectors Commercial Aerospace - The commercial aerospace sector saw a strong performance, with over 20 stocks hitting the daily limit, including Galaxy Electronics and Shaoyang Hydraulic. The sector is entering a new phase of rapid development, with upcoming launches such as the "Vega-1 Sea Launch" commercial rocket by Xinghe Power [2]. Controlled Nuclear Fusion - The controlled nuclear fusion sector continued its strong performance, with multiple stocks like China Nuclear Engineering and Xue Ren Group achieving consecutive gains. The sector is benefiting from breakthroughs in high-temperature superconductors and AI technology, with significant investment opportunities emerging in the upstream segment [3]. AI Computing Chips - The AI computing chip sector showed strength, with stocks like Haiguang Information rising over 10%. The Ministry of Industry and Information Technology has issued guidelines to enhance AI computing power supply, promoting the development of key technologies in intelligent chips and AI servers [4]. Institutional Insights Citic Securities - Citic Securities suggests a higher probability of upward market movement in 2026, driven by the balance between external and internal demand. The firm recommends focusing on sectors with lower heat and higher long-term return on equity potential, such as chemicals, engineering machinery, and new energy [5]. Zhongtai Securities - Zhongtai Securities maintains a cautiously optimistic outlook on the technology sector, advising investment in well-justified sub-sectors. The firm anticipates market fluctuations due to factors like tax periods and credit issuance, presenting opportunities for low-cost positioning [6][7]. Everbright Securities - Everbright Securities notes increased divergence in market funds, indicating potential volatility ahead. The firm highlights the AI concept as a focus area, particularly with the upcoming AI hardware exhibition in Shenzhen, which may stimulate related concepts [8].