Zheng Quan Shi Bao Wang·2025-08-11 08:50Group 1 - The PCB concept index rose by 2.85%, ranking 9th among concept sectors, with 139 stocks increasing in value [1] - Notable gainers included Weier High-Tech, which surged by 20% to hit the daily limit, along with Ultrasonic Electronics, Huazheng New Materials, and Dazhu Laser, all reaching the daily limit as well [1] - The top gainers in the PCB sector were Tiancheng Technology, Luwei Optoelectronics, and Jintuo Co., which increased by 13.38%, 11.05%, and 10.80% respectively [1] Group 2 - The PCB sector saw a net inflow of 4.488 billion yuan, with 88 stocks receiving net inflows, and 10 stocks exceeding 100 million yuan in net inflows [2] - Shenghong Technology led the net inflow with 663 million yuan, followed by Dazhu Laser, Dongshan Precision, and Deep Kangjia A, which received net inflows of 617 million yuan, 602 million yuan, and 463 million yuan respectively [2] - The top stocks by net inflow ratio included Deep Kangjia A, Huazheng New Materials, and Ultrasonic Electronics, with net inflow ratios of 36.03%, 27.42%, and 22.78% respectively [3] Group 3 - The PCB concept sector had a total of 139 stocks that increased, while notable decliners included Songji Co., Bojie Co., and Kangda New Materials, which fell by 5.64%, 4.97%, and 2.70% respectively [1][2] - The overall market performance showed a mixed trend, with various sectors experiencing both gains and losses, indicating a diverse investment landscape [2][3]