In the afternoon, the PCB concept picked up again. Ultrasonic electronics hit a hike and stop. Daya Shengxiang went back up and down and got out of the second board. Previously, Guanghe Technology and Chaowei Electronics went up and down, while Shiyun Circuit, Shenghong Technology, Fangzheng Technology, and Sihui Fushi rose more than 5%.

In the afternoon, the PCB concept picked up again. Ultrasonic electronics hit a hike and stop. Daya Shengxiang went back up and down and got out of the second board. Previously, Guanghe Technology and Chaowei Electronics went up and down, while Shiyun Circuit, Shenghong Technology, Fangzheng Technology, and Sihui Fushi rose more than 5%.