现代投资：公司子公司大有期货上半年实现营业收入21.66亿元

Group 1 - The core point of the article is that Modern Investment (000900) announced its subsidiary, Dayou Futures, achieved significant financial results in the first half of the year, with operating income of 2.166 billion yuan and operating profit of 22.2648 million yuan [1] Group 2 - The operating income of Dayou Futures for the first half of the year is reported to be 2.166 billion yuan [1] - The operating profit for the same period is noted as 22.2648 million yuan [1]