Group 1 - The core viewpoint is that the optical communication industry is expected to benefit from optimistic capital expenditure forecasts from leading cloud companies by 2025, driven by AI development and the construction of large data centers, which will continuously increase the demand for optical device products [1] - The reliability requirements for optical modules are increasing, and the iteration cycle is shortening, leading to a significant rise in industry technical barriers, which will further highlight the advantages of leading manufacturers [1] - In the context of Sino-US trade friction, the logic of domestic substitution for optical chips is strengthening, resulting in greater earnings elasticity [1] Group 2 - Domestic computing power construction will bring new growth to businesses such as switching chips and switches [1] - The Guotai Artificial Intelligence ETF (159388) tracks the ChiNext Artificial Intelligence Index (970070), which has a daily fluctuation of 20%, reflecting the overall performance of listed companies related to artificial intelligence in the ChiNext market [1] - This index focuses on the innovation capability and growth potential of China's emerging technology industry, covering representative enterprises in the artificial intelligence field [1]