Dingtai High-Tech (1377.HK) climbed during regular trading to HKD 384.800, up 3.75%.
The move came as CPO concepts gained traction, with Yangtze Optical Fibre and Cable hitting the limit. Huawei jointly launched the OPEN NPO project in Beijing, initiating China's first NPO optical interconnect MSA to advance GW-level AIDC technology.