科创板50指数小幅调整，关注科创板50ETF（588080）等产品投资机会

Group 1 - The core viewpoint of the article highlights the performance of the Shanghai Stock Exchange Sci-Tech Innovation Board Growth Index, which consists of 50 stocks with high growth rates in revenue and net profit, predominantly in the electronic and pharmaceutical sectors, accounting for nearly 75% of the index [3] - As of October 22, 2025, the index has experienced a slight decline of 0.3% and has a rolling price-to-earnings ratio of 199.5 times [3] - The index was launched on July 28, 2020, and is designed to track high-growth industries, with the growth style being a significant characteristic [3] Group 2 - The rolling price-to-earnings ratio is closely related to profit and is applicable to industries that are relatively stable and less affected by economic cycles [3] - The valuation percentile indicates the historical performance of the rolling price-to-earnings ratio, with a lower percentile suggesting relative undervaluation [3] - The article mentions that low-fee products are available, with a management fee of 0.15% per year and a custody fee of 0.05% per year [3]