Zhong Guo Ji Jin Bao·2025-10-28 04:34Market Overview - The A-share market opened lower but rose throughout the morning, with the Shanghai Composite Index surpassing the 4000-point mark for the first time in ten years, closing at 4005.44 points, up 0.21% [1] - The total trading volume in the Shanghai and Shenzhen markets exceeded 1.35 trillion yuan, with 3057 stocks rising and 2142 stocks falling [2] Sector Performance - The artificial intelligence and cloud computing sectors led the gains, while the gold and coal sectors experienced significant declines [2] - The optical module sector saw a resurgence, with related indices rising over 4% [3] Key Companies in Optical Modules - Zhongji Xuchuang (300308) reached a new high, rising over 5% to 528.33 yuan per share, with a market cap of 587 billion yuan and a year-to-date increase of over 300% [4] - Xinyi Sheng (300502) increased nearly 4% to 420.01 yuan per share, with a market cap of 417.5 billion yuan and a year-to-date increase of over 400% [5] - Tianfu Communication (300394) rose 2.59% to 194.98 yuan per share, with a market cap of 151.6 billion yuan and a year-to-date increase of over 200% [6] - Other companies like Lian Te Technology (301205) surged over 12% [8] Human-Robot Sector - The humanoid robot sector showed strength, with Sanhua Intelligent Control (002050) rising over 6% to 50.68 yuan per share, achieving a market cap of 207.6 billion yuan [11] Domestic Software Sector - Kingsoft Office's stock rose over 8% to 343.14 yuan per share, with a market cap of 158.9 billion yuan [15] - The company reported a 25.33% year-on-year increase in revenue for Q3 2025, reaching 1.521 billion yuan, and a 35.42% increase in net profit [17] Banking Sector - Agricultural Bank's stock reached a new historical high, rising nearly 1% to 8.31 yuan per share, with a market cap of 2808 billion yuan [19] - Postal Savings Bank rose 1.33% to 6.09 yuan per share, while other banks like CITIC Bank and Everbright Bank saw declines [19] Precious Metals Sector - The precious metals sector faced notable declines, with stocks like Shengda Resources (000603) and Zhaojin Mining (000506) dropping over 2% [21]