CPO concept stocks rebounded, pulled up Xinyi Sheng, rose by more than 9% and hit an all-time high.

FAP, May 31 (FAP)-- Reiskonda and special messages rose by the daily limit, while Xinyisheng rose by more than 9 percent to a new all-time high, and Mingpu Optics, Liante Technology, and Ziguang shares rose.