创业板指涨近1%，创业板ETF（159915）成交活跃，半日成交额超16亿元

Group 1 - The ChiNext index experienced a significant rise, driven by the performance of the optical module and medical device sectors [1] - Other sectors such as gas, port shipping, and brain-computer interfaces also saw gains, while energy metals and military equipment sectors faced adjustments [1] - The trading volume of the ChiNext ETF (159915) exceeded 1.6 billion yuan during the morning session [1]