Core Viewpoint - Changfei Fiber Optics (06869) has seen its stock price rise over 8%, reaching a historical high of 62 HKD, driven by increased market interest in fiber optic products related to data centers, particularly hollow core fibers [1] Company Summary - The company has noted unusual stock trading fluctuations and acknowledged the growing attention on fiber optic products for data centers, especially hollow core fibers [1] - Currently, fiber optic products related to data centers represent a small proportion of global demand, and hollow core fibers are still in the early stages of application without established sales, pricing, or profit levels [1] - The hollow core fiber business has not yet significantly impacted the company's financial data [1] Industry Summary - According to Aijian Securities, hollow core fibers have strong performance advantages in the data center sector and are expected to benefit from long-term investments in data center infrastructure [1] - Changfei Fiber Optics possesses the necessary raw materials and manufacturing technology for hollow core fibers, with single fiber lengths exceeding 20 kilometers and polarization mode dispersion control at an internationally leading level [1] - The company has set multiple world records in the commercial application of hollow core fibers in collaboration with the three major telecom operators [1]

Group 1 - The global hollow-core fiber market is projected to reach $8.22 billion by 2024, with China's market size at $0.07 billion, representing only 0.8% of the total, indicating significant growth potential [1][4] - Europe is the largest market for hollow-core fiber, holding a 45% market share in 2023, supported by top-tier research institutions and a well-established optoelectronic industry chain [1][4] - Microsoft plans to deploy 15,000 kilometers of hollow-core fiber over the next 24 months to enhance data transmission capabilities, claiming significant improvements in speed, bandwidth, and energy efficiency compared to traditional fibers [3][5] Group 2 - The electronic sector experienced an overall decline, with the SW electronic industry index dropping by 4.57% during the week of September 1-5, 2025, ranking 28th out of 31 sectors [2] - The top-performing sectors included power equipment (+7.39%) and comprehensive (+5.38%), while the electronic sector was among the worst performers, alongside defense and military (-10.25%) and computer (-7.27%) [2] - Key players in the hollow-core fiber market are accelerating their strategies, with companies like Microsoft and NKT Photonics focusing on the development and deployment of hollow-core fiber technologies [5]