机器人板块早盘回调，资金逆势加码，机器人ETF易方达（159530）半日净申购达2200万份

Group 1 - The index experienced a slight increase of 0.1% with a rolling price-to-earnings ratio of 32.0 times, reflecting a valuation increase of 73.5% since its inception [3] - The index showed a decline of 0.9% with a rolling price-to-earnings ratio of 56.4 times, indicating a valuation increase of 94.0% since its launch [5] - Another index reported a decrease of 1.1% with a rolling price-to-earnings ratio of 32.6 times, showing a valuation increase of 47.5% since its release [6]