[CPO concept fluctuated, Dongtian rose slightly by more than 10% to hit a record high] On September 16th, the CPO concept fluctuated and rose during the session, with Dongtian rising slightly by more than 10%, hitting a record high. Previously, Yongding Shares, China Ceramics Electronics, and Qingshan Paper rose by the limit, and JPT, Shijia Photonics, Guangxun Technology, Changguang Huaxin, etc. were among the top gainers. On the news, a CICC research report stated that "locking orders" and "locking materials" have become the key words for the 27th Optical Expo, and the certainty of demand in 2027 will further increase. Based on exhibition research, the order schedule of some high-speed optical chip companies has been extended to 2028 and beyond, and the visibility of optical module orders covers 2027 and beyond.