科创板50指数半日涨近2%，科创板50ETF（588080）受关注，半日成交额超10亿元

Group 1 - The core viewpoint of the news highlights the continued upward trend in the server and semiconductor wafer sectors, with significant increases in various indices related to the Science and Technology Innovation Board (科创板) [1] - The Shanghai Stock Exchange Science and Technology Innovation Board 50 Index rose by 1.8%, while the Science and Technology Innovation Board Growth Index and the Science and Technology Innovation Comprehensive Index increased by 1.2% and 0.4%, respectively [1] - The trading volume of the Science and Technology Innovation Board 50 ETF (588080) exceeded 1 billion yuan during the morning session, with its latest scale reaching 74.4 billion yuan, making it the largest ETF related to the Science and Technology Innovation Board [1] Group 2 - The Science and Technology Innovation Board 50 ETF tracks the top 50 stocks on the board, characterized by high market capitalization and liquidity, with over 60% of its composition in the semiconductor sector [3] - The rolling price-to-earnings ratio of the Science and Technology Innovation Board 50 Index is reported at 188.4 times, with a valuation percentile of 99.9% since its inception [3] - The Science and Technology Innovation Board 100 Index, which focuses on medium-sized stocks, saw a 0.4% increase, with a significant representation from the electronics and biopharmaceutical sectors [3] Group 3 - The Science and Technology Innovation Comprehensive Index, which covers all market securities on the board, increased by 1.2%, with a rolling price-to-earnings ratio of 272.9 times [3] - The Science and Technology Innovation Growth 50 ETF, which tracks high-growth stocks, also reported a 1.2% increase, with a rolling price-to-earnings ratio of 228.7 times [3]