Huaxin Securities·2026-02-04 08:24Investment Rating - The investment rating for the AI computing industry is maintained as "Buy" for specific companies such as沃尔核材, 天孚通信, and 长飞光纤, while 立讯精密 is rated as "Add" [7]. Core Insights - Meta has signed a long-term supply agreement with Corning for fiber optic cables worth up to $6 billion to accelerate AI data center construction, highlighting the strong demand for fiber optics in computing infrastructure [3]. - Nvidia is hosting a webinar focused on co-packaged silicon photonics (CPO) switches, emphasizing their strategic value in scaling AI computing capabilities [4]. - The report suggests focusing on companies like 天孚通信, 立讯精密, 长飞光纤, and 沃尔核材 for potential investment opportunities [5]. Weekly Market Analysis - From January 26 to January 30, the communication industry saw a significant increase of 5.83%, ranking second among all sectors, while the electronics sector experienced a decline of 2.51% [12][19]. - The AI computing-related sub-sectors mostly showed an upward trend, with the communication network equipment and devices sector leading with an increase of 8.56% [19]. Company Announcements - Lotus Holdings announced progress in its transition to computing power business, including various contracts for GPU servers and cloud services [49]. - Tongfu Microelectronics reported a reduction in shareholding by its major shareholder, which will not affect the company's governance or operations [51]. - Tianfu Communication completed a share reduction plan by a board member, which was executed in accordance with regulations and did not impact company control [52].