Mei Ri Shang Bao·2025-07-15 23:26Market Overview - A-shares exhibited a mixed performance, with the Shanghai Composite Index falling approximately 1% to below 3500 points, while the ChiNext Index surged over 2% [1] - As of the afternoon close, the Shanghai Composite Index decreased by 0.42% to 3505 points, the Shenzhen Component Index increased by 0.56% to 10744.56 points, and the ChiNext Index rose by 1.73% to 2235.05 points [1] - Total trading volume in the Shanghai, Shenzhen, and North markets reached 163.53 billion yuan, an increase of over 150 billion yuan compared to the previous day [1] AI Industry Chain - Stocks in the AI industry chain rose against the trend, with New Yi Sheng (300502) hitting a 20% limit up, marking a historical high [1] - Other notable performers included Zhongji Xuchuang (300308) with a nearly 17% increase, and Tianfu Communication (300394) rising about 12% [1] - The Nvidia concept stocks also saw significant gains, with China Electric Port (001287) hitting the limit up, and Huajin Technology (603296) and Inspur Information (000977) rising over 7% [1][2] Nvidia Concept Stocks - Nvidia concept stocks experienced a substantial rise, with Zhongji Xuchuang increasing nearly 17%, Shenghong Technology (300476) and Yipinhong (300723) rising over 13%, and Tianfu Communication up about 12% [2] - The Nvidia concept sector overall rose by 2.02%, ranking fifth among industry concept sectors for the day, with a weekly increase of 2.31% [2] - Nvidia announced the resumption of H20 sales to China and the launch of a new GPU compliant with Chinese regulations, which is expected to alleviate the domestic chip shortage [2][3] AI Intelligent Agent Concept - The AI intelligent agent concept also showed strength, with stocks like Dingjie Zhizhi (300378), Chutianlong (003040), and Fanwei Network (603039) hitting the limit up [4] - The AI intelligent agent sector overall rose by 1.05%, ranking eighteenth among industry concept sectors for the day [4] - A new standard for AI intelligent agent operation safety testing was released, addressing risks associated with language barriers and establishing a comprehensive risk analysis framework [4] Real Estate Sector - The real estate sector saw a notable rally, with stocks like Tianbao Infrastructure (000965) and Chongqing Development (000514) hitting the limit up [6] - The Hong Kong real estate sector also experienced a surge, with Meidi Real Estate rising over 60% at one point [6] - Recent government meetings emphasized the need for comfortable and convenient living cities, indicating a potential shift in real estate development strategies [6]