“硬科技”回归，科创板系列指数单边走强，科创50ETF易方达（588080）等产品受市场关注

Group 1 - The core focus of the news is on the performance and characteristics of various ETFs tracking the STAR Market indices, highlighting their composition and market trends [2][3][4] - The STAR 50 ETF consists of 50 large-cap stocks with significant liquidity, primarily in the "hard technology" sector, with over 65% in semiconductors and nearly 80% in total for semiconductors, medical devices, software development, and photovoltaic equipment [2] - The STAR 100 ETF includes 100 mid-cap stocks with good liquidity, focusing on small and medium-sized innovative enterprises, with over 75% in electronics, power equipment, and pharmaceutical biology [3] - The STAR 200 ETF tracks 200 small-cap stocks with good liquidity, emphasizing growth potential in small-cap innovative enterprises, with nearly 70% in electronics, pharmaceutical biology, and machinery equipment [4] Group 2 - The STAR 50 ETF has a rolling price-to-earnings (P/E) ratio of 162.4 times, while the STAR 100 ETF has a rolling P/E ratio of 207.8 times, indicating varying valuation levels among these indices [2][3] - The STAR 50 index experienced a daily change of 2.5%, while the STAR 100 index saw a daily change of 2.8%, reflecting market volatility [2][3]