The A-share CPO concept stocks were actively traded in the opening auction. Mingpu Optoelectronics and Ruiscom both hit the daily limit, Changguang Huaxin opened more than 9.5% higher, and Deco, Tianfu Communication and Xinyisheng all opened more tha

2026-03-20

The A-share CPO concept stocks were actively traded in the opening auction. Mingpu Optoelectronics and Ruiscom both hit the daily limit, Changguang Huaxin opened more than 9.5% higher, and Deco, Tianfu Communication and Xinyisheng all opened more than 8% higher.