光模块+PCB表现活跃，5G通信ETF（515050）盘中涨超1.5%，光迅科技涨停

Group 1 - The AI computing power industry chain is experiencing a surge, with active performance in optical modules and PCB concepts, as evidenced by the 5G communication ETF (515050) rising by 0.98% and peaking at 1.58% during trading [1] - The 5G communication ETF tracks the CSI 5G communication theme index, with a current scale exceeding 60 billion yuan, focusing on key players in the Nvidia, Apple, and Huawei supply chains across various sectors including optical modules, PCB, 6G, AI computing power, consumer electronics, semiconductors, communication equipment, servers, and IoT [1] - Alphabet announced a 13% increase in capital expenditure for 2025, reaching 85 billion dollars, driven by strong and growing demand for cloud products and services, up from an earlier forecast of 75 billion dollars for the year [1] Group 2 - The AI-PCB industry chain is experiencing high prosperity, rapidly driving the application of upstream high-speed copper-clad laminates and other materials, with major tech companies like Google, Amazon, and Meta increasing their self-developed ASIC chip initiatives [2] - The demand for servers, motherboards, and high-frequency high-speed PCBs is expected to rise sharply as the GB200 servers enter a ramp-up phase in the second half of the year, followed by the GB300 shipments [2]