In contrast, the counter only saw some 0.43 million shares changed hands the day before.
In the query, SGX RegCo noted the “unusual volume movements”, and asked Oceanus to reveal any information that may have been possibly responsible for the high trading volume.
The market regulator has also asked Oceanus to confirm its compliance with the listing rules.
In its reply at 5.31pm, the company confirms it isn't aware what might have caused the unusual trading pattern and that it believes it is in compliance of relevant rules.
See also: Hotel Properties ‘not aware’ of any possible explanation for ‘unusual’ share price movements
Oceanus shares closed June 8 at 2 cents, down 9.09% for the day.