中信重工：股票交易异常波动公告

Group 1 - The core point of the article is that CITIC Heavy Industries announced a significant stock price fluctuation, with a cumulative increase of over 20% in closing prices over three consecutive trading days [1] - The company conducted a self-examination and confirmed with its controlling shareholder and actual controller that there is no undisclosed major information as of the date of the announcement [1]