SINGAPORE - Market operator Singapore Exchange (SGX) said on Tuesday that it is not aware of any information which might explain the unusual trading activity in its shares.

The counter has fallen more than 6 per cent since closing at $8.72 on Wednesday, May 27. It was trading at S$8.17 as at 2.50pm on Tuesday, down 26 cents or 3.1 per cent from Friday's close, making it one of the top losers on volume of 3.12 million shares.

"The company is not aware of any information not previously announced concerning the company, its subsidiaries or associated companies which, if known, might explain the unusual trading activity," it said in a regulatory filing. "The company confirms that it is in compliance with the SGX-ST listing rules."