创业板指大涨4.3%站上3000点，创业板ETF（159915）半日成交额近50亿元

Group 1 - The core viewpoint of the news is that the ChiNext market experienced a significant rise driven by the strong performance of CPO concept stocks, with the ChiNext Growth Index increasing by 5.3% and the ChiNext Index rising by 4.3% [1] - The ChiNext Mid-cap 200 Index saw an increase of 2.1%, indicating a broad-based rally within the ChiNext market [1] - The trading volume for the ChiNext ETF (159915) reached nearly 5 billion yuan during the morning session, reflecting heightened investor interest [1]