港股蒙牛乳业涨超4%

Group 1 - The core point of the news is that Mengniu Dairy (02319.HK) experienced a stock price increase of over 4%, specifically rising by 4.34% to reach HKD 16.59, with a trading volume of HKD 130 million [1] Group 2 - The report indicates that the stock performance is notable, reflecting positive market sentiment towards the company [1] - The trading volume of HKD 130 million suggests active investor interest in Mengniu Dairy's shares [1]