科创板系列指数震荡分化，关注科创200ETF易方达（588270）、科创50ETF易方达（588080）等投资机会

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 sector allocations [2][3][4]. - The STAR 50 ETF consists of 50 large-cap stocks with a significant focus on "hard technology," particularly in the semiconductor sector, which accounts for over 65% of the index [2]. - The STAR 100 ETF is composed of 100 mid-cap stocks, with over 75% of its composition in the electronics, power equipment, and pharmaceutical sectors, indicating a strong emphasis on small and medium-sized innovative enterprises [3]. - The STAR 200 ETF includes 200 smaller-cap stocks, with nearly 70% of its composition in electronics, pharmaceuticals, and machinery sectors, showcasing a focus on growth potential in smaller companies [4]. Group 2 - The STAR 50 ETF has a rolling P/E ratio of 179.8 times, while the STAR 100 ETF has a rolling P/E ratio of 219.8 times, and the STAR 200 ETF has a rolling P/E ratio of 358.1 times, indicating varying valuations across these indices [2][3][4]. - The STAR 50 ETF experienced a slight decline of 0.4%, while the STAR 100 ETF increased by 1.8%, and the STAR 200 ETF rose by 1.4%, reflecting different market dynamics among these ETFs [2][3][4].