Zheng Quan Shi Bao Wang·2025-07-17 12:20Group 1 - PCB concept index rose by 3.07%, ranking 4th among concept sectors, with 124 stocks increasing, including ManKun Technology with a 20% limit up, and others like Guanghe Technology, Dongshan Precision, and Dongcai Technology also hitting the limit up [1][2] - Notable gainers in the PCB sector included Shenghong Technology, Shennan Circuit, and Guanghe Technology, with increases of 9.57%, 5.97%, and 10.00% respectively [3][4] - The PCB sector saw a net inflow of 3.332 billion yuan, with 91 stocks receiving net inflows, and 11 stocks exceeding 100 million yuan in net inflow, led by Dongshan Precision with 516 million yuan [2][3] Group 2 - The top three stocks by net inflow ratio were ManKun Technology, Guanghe Technology, and Dongcai Technology, with ratios of 22.74%, 19.08%, and 15.44% respectively [3][4] - The overall market performance showed a mixed trend, with the PCB sector being one of the few that experienced significant gains, contrasting with sectors like housing inspection and cement, which saw slight declines [2][3] - The data indicates a strong interest from institutional investors in the PCB sector, as evidenced by the substantial net inflows and the performance of key stocks [2][3]