A-share CPO and PCB concepts continued to weaken, with stocks such as Huilv Ecology, Cambridge Technology, Guanghe Technology, Sega Technology, and Ultrasonic Electronics hitting the daily limit down.

2026-03-23

A-share CPO and PCB concepts continued to weaken, with stocks such as Huilv Ecology, Cambridge Technology, Guanghe Technology, Sega Technology, and Ultrasonic Electronics hitting the daily limit down.