PCB concept stocks are active again, HeLiTai has had four consecutive daily limit increases.

PCB concept stocks are repeatedly active, Shennan Circuits, Hubei Forbon Technology reach new highs intraday, Helitai continues its 4 consecutive board rises, Cubeleader Technology, DeLong Laser, Xingsen Technology, Shiyun Circuits, and Megachip Corporation follow the uptrend.