硬科技板块震荡回调，关注科创200ETF易方达（588270）、科创50ETF易方达（588080）等布局机会

Group 1 - The article discusses the performance and characteristics of various ETFs tracking the STAR Market indices, highlighting their focus on high-tech sectors such as semiconductors, medical devices, and software development [2][3] - The STAR 50 ETF tracks the STAR 50 Index, which consists of 50 stocks with large market capitalization and good liquidity, with over 65% of its composition in semiconductors and nearly 80% in hard technology sectors [2] - The STAR 100 ETF focuses on 100 medium-cap stocks, with over 75% of its composition in electronics, power equipment, and pharmaceutical industries [2] - The STAR 200 ETF targets 200 small-cap stocks, emphasizing growth potential, with significant representation from electronics, biomedical, and machinery sectors [2] - The STAR Composite Index ETF covers all market segments and focuses on core industries such as artificial intelligence, semiconductors, and innovative pharmaceuticals, encompassing all 17 primary industries listed on the STAR Market [3] - The STAR Growth ETF includes 50 stocks with high growth rates in revenue and net profit, with over 65% of its composition in the electronics and communications sectors [3] Group 2 - As of the midday close on February 4, 2026, the STAR 50 Index showed a decline, while the STAR 100 Index had a rolling P/E ratio of 213.8 times, and the STAR 200 Index had a rolling P/E ratio of 167.4 times [2] - The STAR Composite Index had a rolling P/E ratio of 223.3 times, and the STAR Growth Index had a rolling P/E ratio of 193.2 times, indicating varying levels of valuation across these indices [3] - The article notes that the STAR Market indices have been established at different times, with the STAR 50 Index launched on July 23, 2020, the STAR 100 Index on August 7, 2023, the STAR 200 Index on August 20, 2024, and the STAR Composite Index on November 4, 2022 [3]