科创板系列指数高开低走，关注科创200ETF易方达（588270）、科创50ETF易方达（588080）等投资价值

Group 1 - The index consists of 50 stocks from the Sci-Tech Innovation Board, characterized by large market capitalization and liquidity, with over 65% in the semiconductor sector and nearly 80% combined with medical devices, software development, and photovoltaic equipment [2] - As of the midday close, the index experienced a decline of 0.2%, with a rolling price-to-earnings ratio of 179.5 times since its launch [2] Group 2 - Another index is composed of 200 smaller market capitalization stocks from the Sci-Tech Innovation Board, focusing on "growth potential" enterprises in electronics, biomedicine, and machinery, which together account for nearly 70%, with a significant portion in the electronics sector [4] - This index also saw a decline of 0.1% as of the midday close, with a rolling price-to-earnings ratio of 355.9 times [4] Group 3 - A third index includes 50 stocks with high growth rates in revenue and net profit, showcasing a growth style with over 65% in the electronics and communications sectors [6] - This index recorded a slight increase of 0.1% at midday, with a rolling price-to-earnings ratio of 213.1 times since its inception [6]