中银证券：不存在应披露而未披露的重大事项

Group 1 - The company, Zhongyin Securities (601696), issued an announcement regarding unusual trading activities, confirming that there are no undisclosed significant matters as of the date of the announcement [1] - The company conducted a self-examination and inquired with its largest shareholder to ensure transparency [1] - Investors are advised to invest rationally and be aware of risks associated with secondary market trading [1]