The A-share CPO sector was active at the start of trading, with Demingli and Mingpu Optoelectronics both hitting the daily limit, while Shenzhen Keda, Tengjing Technology, and Changguang Huaxin all rose by more than 5%.

2026-04-01

The A-share CPO sector was active at the start of trading, with Demingli and Mingpu Optoelectronics both hitting the daily limit, while Shenzhen Keda, Tengjing Technology, and Changguang Huaxin all rose by more than 5%.