长城证券发布股票交易异常波动公告：没有应披露而未披露事项

Core Viewpoint - Changcheng Securities announced an abnormal fluctuation in its stock trading, with a cumulative closing price deviation exceeding 20% over three consecutive trading days [1] Summary by Relevant Sections - Stock Trading Fluctuation - The stock price of Changcheng Securities experienced a cumulative closing price deviation of over 20% on August 15, 18, and 19 [1] - Company Disclosure - The board of directors confirmed that there are no undisclosed matters that should be reported according to the Shenzhen Stock Exchange listing rules [1] - The board also stated that it is not aware of any undisclosed information that could significantly impact the trading price of the company's stock and its derivatives [1] - Previous disclosures by the company do not require any corrections or supplements [1]