创业板指涨近3%，创业板ETF（159915）交投火热，半日成交额达27亿元

Group 1 - The ChiNext index experienced a strong increase, with the ChiNext Growth Index rising by 3.5%, the ChiNext Index by 2.8%, and the ChiNext Mid-Cap 200 Index by 1.1% as of the midday close [1] - The ChiNext ETF tracks the ChiNext Index, which consists of 100 stocks with large market capitalization and good liquidity, with a high proportion of strategic emerging industries, including power equipment, pharmaceuticals, and electronics, accounting for over 55% [2] - The ChiNext 200 ETF by E Fund tracks the ChiNext Mid-Cap 200 Index, which includes 200 stocks with medium market capitalization and relatively good liquidity [2]