Group 1 - The optical communication concept stocks have shown significant gains, with Changfei Optical Fiber rising by 18.19% to HKD 131.9, Huiju Technology increasing by 8.94% to HKD 17.54, Cambridge Technology up by 5.7% to HKD 67.75, and Hong Teng Precision gaining 3.4% to HKD 5.78 [1] - During the Spring Festival, Huagong Technology's optical module business reported full operation at its production bases in Wuhan and Thailand, ensuring mass production and delivery of high-speed optical modules like 1.6T and 800G [1] - The order backlog for Huagong Technology's connection business extends to Q4 2026, with AI high-speed optical module production lines operating at full capacity 24 hours a day [1] Group 2 - According to a report by Industrial Securities, the combined capital expenditure guidance for Amazon, Google, Meta, and Microsoft is approximately USD 598.7 billion for 2026, reflecting a year-on-year growth of 67% [2] - The demand for AI computing power remains strong, driven by a global arms race, leading to a scaling expansion of data centers and accelerating the commercialization of 1.6T and 3.2T high-speed optical modules [2] - The need for massive computing power is creating a supply-demand gap in critical infrastructure such as optical fibers and liquid cooling, indicating a high level of prosperity across multiple segments of the industry chain [2]