中小盘宽基指数本周集体走强，关注科创100ETF易方达(588210)、中证500ETF易方达(510580)后续表现

Group 1 - The core viewpoint of the news is that various indices in the Chinese stock market have shown significant increases over the past week, indicating a positive market trend [1][2]. - The ChiNext 100 Index rose by 10.5%, while the ChiNext Mid-cap 200 Index increased by 8.3%, the CSI 500 Index by 7.9%, the CSI 1000 Index by 7.0%, and the CSI 2000 Index by 6.5% [1][2]. - The rolling price-to-earnings (P/E) ratios for these indices are as follows: CSI 500 at 35.7 times, CSI 1000 at 48.5 times, CSI 2000 at 162.7 times, ChiNext 100 at 211.7 times, and ChiNext Mid-cap 200 at 110.9 times [2]. Group 2 - The CSI 1000 Index consists of 1,000 small-cap stocks with good liquidity, reflecting the overall performance of small-cap companies in the A-share market [4]. - The CSI 2000 Index is made up of 2,000 even smaller stocks, focusing on the performance of micro-cap stocks in the A-share market [4]. - The ChiNext 100 Index is composed of 100 medium-cap stocks from the Sci-Tech Innovation Board, with over 70% of its composition in the electronics, biomedicine, computer, and power equipment sectors [4]. Group 3 - The ChiNext Mid-cap 200 Index includes 200 medium-cap stocks from the ChiNext market, with over 40% of its composition in the information technology sector [4]. - The historical performance of these indices shows significant cumulative increases over various time frames, with the ChiNext 100 Index having a cumulative increase of 81.2% over the past year [7]. - The cumulative increase for the CSI 500 Index over the past year is 50.1%, while the CSI 1000 Index shows a 46.6% increase [7].