20cm速递丨科创板100ETF（588120）涨超1.2%，连续3日资金净流入，科技巨头资本开支稳健性受关注

Group 1 - The core viewpoint of the article highlights the difference between the current AI market and the 2000 internet bubble, emphasizing that tech giants have solid profits, matched capital expenditures, and manageable debt leverage [1] - The demand for computing power is real and faces energy constraints, making capital expenditures more defensive in nature [1] - The computational requirements for training the latest large language models (LLMs) are growing at an annual rate of 4-7 times, while hardware efficiency improvements are lagging behind [1] Group 2 - The power demand for training cutting-edge LLMs is expected to increase at an annual rate of 2.2 to 2.9 times [1] - The Sci-Tech Innovation Board 100 ETF (588120) has seen a rise of over 1.2% and has experienced net inflows for three consecutive days, indicating strong market interest [1] - The Sci-Tech Innovation Board 100 Index (000698) tracks 100 securities with larger market capitalization and better liquidity, covering various high-tech sectors such as new generation information technology, biomedicine, and new materials [1]