查内卷！外卖平台股集体大涨，美团涨超7%，阿里涨近5%

Group 1 - The core viewpoint of the article highlights a significant rise in the stock prices of food delivery platforms in the Hong Kong market, with Meituan increasing over 7%, Alibaba nearly 5%, and JD.com rising by 2% [1] - The State Council's Anti-Monopoly and Anti-Unfair Competition Committee has decided to investigate and assess the competitive status of the food delivery platform service industry to promote lawful and compliant operations and fair competition [1] - Meituan has expressed its strong support and commitment to cooperate with the investigation, while Taobao Shanguo and JD.com have also indicated their willingness to actively participate and comply with the assessment [1]