BBMG (HKG:2009, SHA:601992) said it is not aware of any undisclosed material information behind recent movements in its A-share price, after the stock recorded unusual trading fluctuations, according to a Tuesday Hong Kong bourse filing.

Shanghai-listed shares of the company were up nearly 10% in Wednesday morning trade, while its Hong Kong-listed shares rose about 2%.

The company said the cumulative rise in the closing price of its A-shares exceeded 20% between Jan. 12 and Jan. 13, triggering a trading alert under Shanghai Stock Exchange rules.

Following internal checks and inquiries with its controlling shareholder, BBMG said operations remain normal and that there are no material matters requiring disclosure.