Zheng Quan Shi Bao Wang·2025-09-18 10:44Group 1 - The National Big Fund holding concept rose by 1.26%, ranking fourth among concept sectors, with 28 stocks increasing in value [1][2] - Notable gainers included Zhongwei Company, Zhongke Feimeng, and Ruixin Micro, which rose by 11.43%, 7.39%, and 7.29% respectively [1][2] - The concept sector experienced a net outflow of 9.82 billion yuan, with 15 stocks seeing net inflows from main funds [2][3] Group 2 - Ruixin Micro led the net inflow with 5.25 billion yuan, followed by Tongfu Microelectronics and Beifang Huachuang with net inflows of 3.13 billion yuan and 2.99 billion yuan respectively [2][3] - In terms of net inflow ratios, Aisen Co., Ruixin Micro, and Guangli Micro had the highest rates at 9.12%, 7.92%, and 5.02% respectively [3][4] - The concept sector's performance was contrasted by declines in sectors such as metal lead and metal zinc, which fell by 3.94% and 3.88% respectively [2]