港股香港交易所(00388.HK)涨超2%，Q1净利润为40.77亿港元，同比增长37%。

Group 1 - The core viewpoint of the article highlights that Hong Kong Exchanges and Clearing Limited (HKEX) experienced a significant increase in its stock price, rising over 2% [1] - The net profit for Q1 reached HKD 40.77 billion, marking a year-on-year growth of 37% [1]