The PCB concept stocks experienced a significant rally in the afternoon trading session, with more than ten component stocks reaching their limit-up. Notable gainers included Zecheng Electronics, Minbao Optoelectronics, Dongcai Technology, China Jushi, and WUS Printed Circuit. Additionally, stocks such as Hongshida, International Composites, Dingtai High-tech, Shengyi Electronics, and Tongguan Copper Foil saw increases exceeding 10%. This broad-based surge highlights strong investor interest in the PCB sector.