算力ETF——5G通信ETF（515050）盘中跌超2%，近5日获得3.48亿元资金净申购

Group 1 - The AI computing hardware sector is experiencing a correction, with the 5G communication ETF (515050) dropping over 2% as of 10:39 AM on September 26, 2023, and several key holdings declining more than 3% [1] - The 5G communication ETF (515050) has seen significant inflows, accumulating over 348 million yuan in the last five trading days, and currently has a total size exceeding 9 billion yuan [1] - The ETF tracks the CSI 5G Communication Theme Index, with a focus on major players in the industry such as Nvidia, Apple, and Huawei, and has a weight of 38% in optical module CPO concept stocks and 14% in PCB circuit board concept stocks [1] Group 2 - CITIC Securities analysis indicates that the capital expenditure (capex) driven by AI has substantial long-term potential and sustainability, shifting from network investment to computing power investment [2] - Historical data shows that from 2013 to 2022, Amazon's cloud computing revenue increased by 24.8 times, with capex rising by 17.5 times, while Alibaba's cloud revenue grew by 18.5 times with a 9.2 times increase in capex [2] - Major companies like Amazon, Google, and Meta have seen their annual capex as a percentage of operating cash flow reach significant levels, indicating that future capital expenditures related to AI are expected to grow alongside AI-related revenue [2]