A股午评：指数震荡回升，创指涨0.6%北证50涨超1%，电网设备、商业航天走强！超3200股上涨，成交1.26万亿放量912亿；机构解读

Market Overview - The three major stock indices showed mixed results, with the ChiNext index rebounding after hitting a low. The Shanghai Composite Index closed at 3871.78 points, down 0.04%, while the Shenzhen Component Index rose 0.57% to 13222.51 points, and the ChiNext Index increased by 0.60% to 3282.68 points. Overall, more than 3200 stocks rose [2]. Sector Performance - The electric grid equipment sector saw significant gains, with companies like CNE Electric hitting the daily limit up of 20%. Other stocks in this sector also performed well [4]. - The controllable nuclear fusion sector showed strength, with Tianli Composite rising over 20% [2]. - The CPO sector experienced an upward trend, with Lian Te hitting the daily limit up and Dongtian Micro rising over 10%, reaching a historical high [2]. - The precious metals sector was active and led the gains, while the Hainan sector weakened and led the declines. The retail concept sector also saw a drop, with some stocks hitting the daily limit down [3]. Key Developments - A report indicated that NVIDIA plans to host a private summit next week, inviting startups focused on solving power issues in data centers, which could hinder AI development [4]. - According to TrendForce, the global market for optical transceiver modules over 800G is expected to grow significantly, reaching 24 million units by 2025 and nearly 63 million units by 2026, marking a growth rate of 2.6 times [5]. Policy and Economic Outlook - The Shandong Provincial Government has launched an action plan for high-quality development in the AI industry, focusing on core technologies such as computer vision and AI chips, with plans to initiate over 150 research projects annually [6]. - The Central Political Bureau meeting emphasized "quality improvement and efficiency enhancement" for the economy, which is expected to provide stability and confidence for the A-share market [9]. - Industry analysts suggest that the upcoming Central Economic Work Conference may provide clearer policy guidance, which could further invigorate market activity [10].