[Optical fiber concept fluctuates higher, Hangzhou Electric Co., Ltd. shares rise by the daily limit] On October 16, the optical fiber concept fluctuated higher during the session, Hangzhou Electric Co., Ltd. shares rose by the daily limit, Hongrida rose by more than 10%, and Yute Optoelectronics, Raycus Laser, Tongding Internet, and Yongding shares were among the top gainers. According to the news, optical fiber companies at home and abroad have locked in long-term orders. Corning has signed multi-year cooperation agreements with Meta, Nvidia, Amazon, Verizon, and AT&T, with Verizon's agreement covering 2027-2032; Longcore Bochuang's subsidiary signed with overseas entities until the end of 2030, with estimated sales of approximately 4.5 billion yuan; Zhongtian Technology won a bid for an Internet company's 1.518 billion yuan data center optical fiber connection product centralized procurement.