PCB and copper foil concept stocks mostly rose, Jing Wang Electronics and Helitai both hit the daily limit.

date
27/04/2026
Most concept stocks of PCB and copper foil were on the rise, with Jingwang Electronics and Helitai hitting the limit up, while Tongguan Copper Foil, Defu Technology, Shengyi Electronics, and Shen Nan Circuit had the highest increase.