算力硬件股集体调整，关注科创板50ETF（588080）、科创综指ETF易方达（589800）等产品投资机会

Group 1 - The core viewpoint of the article highlights the performance of the Shanghai Stock Exchange Science and Technology Innovation Board Growth Index, which consists of 50 stocks with high growth rates in revenue and net profit, predominantly in the electronic and pharmaceutical industries, accounting for nearly 75% of the index [3] - As of the midday close, the index has experienced a decline of 3.2% [3] - The rolling price-to-earnings (P/E) ratio of the index stands at 217.7 times, indicating a high valuation relative to earnings [3] Group 2 - The index was launched on November 4, 2022, and is designed to track high-growth companies within the Science and Technology Innovation Board [3] - The valuation metrics used, such as rolling P/E ratio and valuation percentile, are closely related to corporate earnings and are suitable for industries that are relatively stable and less affected by economic cycles [3] - The index's historical performance and valuation data are referenced up to September 1, 2025, providing a future outlook for investors [3]