渝开发：股票交易异常波动公告

Core Viewpoint - The stock of Yukaifang experienced an abnormal fluctuation, with a cumulative price increase of 20% over three consecutive trading days from November 5 to November 7, 2025, prompting an announcement regarding the situation [1] Company Summary - Yukaifang confirmed that there have been no significant changes in its recent operational conditions or external business environment [1] - The company and its controlling shareholder, Chongqing Chengtou, have not engaged in any undisclosed significant matters related to the stock [1] - During the period of abnormal stock fluctuation, the controlling shareholder did not buy or sell any shares of the company [1]