PCB概念股再度拉升

Group 1 - PCB concept stocks experienced a significant rally on February 25, with companies such as Hongchang Electronics, Jiangnan New Materials, and Tongguan Copper Foil reaching new highs during trading [1] - Nord Shares hit the daily limit up, while other companies like Defu Technology, Zhongyi Technology, Shandong Fiberglass, Shenghong Technology, and Guanghua Technology also saw increases [1]