Shanjin International Gold (SHE:000975) warned investors that it experienced an unusual stock fluctuation for two consecutive trading days, but has not identified any significant factor that could have affected its movement, according to a Shenzhen bourse filing on Monday.

The company's closing price deviated by more than 20% between July 2 and July 3.

The company conducted an internal investigation into the matter, but did not find any recent public reports or undisclosed material information that could have caused the abnormal stock movement.

The Chinese gold miner's shares rose 2% at the close.