通信ETF（515880）回调近3%，近20日净流入近40亿元，光模块行业长期景气度获市场关注

Core Insights - The technology cycle of AI is unlikely to end in the short term, with a continued focus on computing power as a key driver [1] - NVIDIA's recent earnings report exceeded expectations, indicating that the demand for computing power is still rapidly growing [1] - Google's Gemini3 model has received positive market feedback for its strong capabilities [1] - The hardware sector for computing power is expected to see significant growth in light modules and other components in the coming year [1] Industry Overview - The ongoing investment in computing infrastructure both domestically and internationally is expected to sustain high demand in the light module market [1] - The Communication ETF (515880) is the largest in its category, with light modules accounting for 52% and servers for 22% of its composition as of October 28 [1] - When combined with fiber optics and copper connections, these components represent over 81% of the ETF, reflecting the fundamental strength of overseas computing power [1]