PCB concept repeatedly active, Jingke Electronics and other stocks rose to the daily limit.

The concept of PCB is repeatedly active, and Zhongjing Electronics hit the limit up, with 3 boards in 6 days. Previously, materials technology, Hongban technology, and ultrasound electronics hit the limit up, and Daqian CNC, China Giant Stone, Fangzheng Technology, and Shanghai Electric shares followed the rise.