科创板50指数半日跌0.5%，关注科创板50ETF（588080）投资机会

Core Viewpoint - The technology growth sector experienced a collective pullback, with various indices reflecting declines in value, indicating a potential shift in market sentiment towards technology stocks [1]. Group 1: Market Performance - The Sci-Tech 50 Index fell by 0.5%, the Sci-Tech Composite Index decreased by 0.9%, the Sci-Tech 100 Index dropped by 1.4%, and the Sci-Tech Growth Index declined by 1.6% as of midday [1]. - The Sci-Tech 50 ETF (588080) saw a net inflow of 27 million yuan yesterday, bringing its total size to over 75 billion yuan, making it the largest ETF related to the Sci-Tech board [1]. Group 2: Index Composition - The Sci-Tech 50 Index consists of 50 stocks with high market capitalization and liquidity, prominently featuring "hard technology" companies, with over 60% in semiconductors and more than 75% in total when including medical devices and software development [3]. - The Sci-Tech 100 Index is composed of 100 stocks with medium market capitalization and good liquidity, focusing on small and medium-sized tech enterprises, with over 80% in electronics, biomedicine, and electrical equipment [3]. - The Sci-Tech Composite Index covers all market securities on the Sci-Tech board, focusing on core frontier industries such as artificial intelligence, semiconductors, and new energy, encompassing all 17 primary industries on the Sci-Tech board [3]. - The Sci-Tech Growth 50 Index includes 50 stocks with high growth rates in revenue and net profit, with a significant representation from the electronics and biomedicine sectors, accounting for nearly 75% [3].