The PCB concept fluctuated and rebounded, with stocks such as Saurer Intelligent Technology hitting the daily limit.

The PCB concept fluctuated and rebounded. Saurer Intelligent Technology and Sichuan EM Technology hit the daily limit. Xilong Scientific, Aohong Electronics, Zhongyan Technology, and Welly High previously hit the daily limit. Ruifeng High-tech Materials and Jinlu Electronics rose more than 10%, while Wanyuantong, Aoshikang, Jinbaize, Lingwei Technology, and others followed the gains.