The concept of fiber optics continues to strengthen, Yongding shares hit the limit up.

The MPO industry chain remains active, driving the strong performance of the fiber optic concept. Yongding shares hit the limit up, while Hangdian shares saw two consecutive boards. Changyingtong reached the limit up by 20cm. Huamai Technology, Tongding Interconnection, Hengtong Optoelectronics, and Zhongtian Technology were among the top gainers.