Zheng Quan Shi Bao Wang·2025-12-17 11:47Market Performance - The Shanghai Composite Index closed at 3870.28 points, up 1.19%, with a trading volume of 766.8 billion yuan [1] - The Shenzhen Component Index closed at 13224.51 points, up 2.4%, with a trading volume of 1044.325 billion yuan [1] - The ChiNext Index closed at 3175.91 points, up 3.39%, with a trading volume of 495.114 billion yuan [1] - The STAR Market 50 Index closed at 1325.33 points, up 2.47%, with a trading volume of 50.2 billion yuan [1] - The total trading volume of both markets reached 1811.125 billion yuan, an increase of 86.946 billion yuan compared to the previous trading day [1] Sector Performance - Strong performance was noted in sectors such as telecommunications, non-ferrous metals, insurance, precious metals, electronics, chemicals, power equipment, and media [2] - Concepts like CPO, lithium mining, optical communication modules, liquid cooling, copper cable high-speed connections, fluorine chemicals, PCB, and composite current collectors showed active trends [2] - The agriculture, defense, and liquor sectors experienced declines, with weaker trends in concepts like space stations, satellite internet, duty-free, rental sales, and grain [2] Fund Flow - The net outflow of main funds in the Shanghai and Shenzhen markets was 6.73 billion yuan [3] - The ChiNext saw a net outflow of 4.067 billion yuan, while the CSI 300 index experienced a net outflow of 5.145 billion yuan [4] - The telecommunications sector had the highest net inflow of main funds, amounting to 4.529 billion yuan, followed by non-ferrous metals, electronics, and power equipment [4] Individual Stock Performance - A total of 2117 stocks saw net inflows of main funds, with 93 stocks receiving over 100 million yuan in net inflows [5] - The stock with the highest net inflow was Zhongji Xuchuang, with 1.426 billion yuan, followed by Xinyi Sheng, Shenghong Technology, Tianfu Communication, and others [6] - Conversely, 3043 stocks experienced net outflows, with 75 stocks seeing over 100 million yuan in net outflows [7] - The stock with the highest net outflow was Pingtan Development, with 1.459 billion yuan, followed by Yonghui Supermarket, Aerospace Development, and others [8] Institutional Activity - Institutional seats had a net buy of approximately 471 million yuan, with 16 stocks being net bought and 11 stocks being net sold [9] - The stock with the highest net buy from institutions was Juguang Technology, with about 291 million yuan [10] - The stock with the highest net sell was Yingweike, with approximately 22 million yuan, followed by Xue Ren Group, Guangxun Technology, and others [11]