Zhi Tong Cai Jing·2025-11-19 02:37Core Viewpoint - Changfei Optical Fiber (601869) and its cable segment saw a significant stock price increase, attributed to advancements in optical fiber technology and growing demand driven by AI computing needs [1] Company Summary - Changfei Optical Fiber's stock rose over 8% during trading, closing at 36.2 HKD with a transaction volume of 554 million HKD [1] - The company is positioned to benefit from the advancements in hollow-core fiber technology, which is expected to be a strategic growth lever [1] Industry Summary - China Telecom (601728) achieved a milestone by successfully completing the world's first transmission experiment using hollow-core fiber over a distance exceeding 100 kilometers, setting a new record in the field [1] - The experiment's four core indicators reached globally leading levels, indicating significant progress in quantum-classical co-transmission technology [1] - According to Zhongtai Securities (600918), the explosion of AI computing power demand in 2025 will be a key driver for optical fiber demand, with data centers transitioning to 800G/1.6T networks [1] - UBS highlighted the long-term development potential of hollow-core fiber, predicting that technology will mature over the next 2-3 years, contributing significantly to revenue, although short-term profit impacts remain limited [1]