Group 1 - The communication industry is experiencing structural opportunities driven by the demand for AI computing power, with liquid cooling technology gaining traction due to its efficient heat dissipation capabilities [1] - Traditional air cooling is facing thermal bottlenecks as AI server power consumption rapidly increases, prompting multiple manufacturers to introduce innovative liquid cooling solutions [1] - The AI computing supply chain, including liquid cooling, optical modules, and switches, is becoming a focal point in the communication equipment sector, with industry technology upgrades and ecological collaboration expected to drive long-term growth [1] Group 2 - 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 in the AI sector within the ChiNext market [1] - This index focuses on the innovation capabilities and growth potential of China's emerging technology industry, encompassing representative enterprises in the artificial intelligence field [1]