Changyu's (SHA:603407) closing price deviated by more than 20% across three straight trading sessions from July 3 to July 6, according to a Wednesday filing with the Shanghai Stock Exchange.
Following an internal investigation and verification with its controlling shareholder and actual controller, the company said it has no undisclosed material information, plans or negotiations that may have had a significant impact on its stock price.
The company's shares jumped 8% during the close of trading on Wednesday.