However, its share price plunged to 38 cents at around 4pm, before climbing back to 48 cents just half an hour later.
Shares in MindChamps closed down 4.0%, or 2 cents lower, at 48.5 cents on Dec 9.
Over 446,000 MindChamps shares changed hands on Monday alone – more than half of the recent monthly average.
The market regulator at 4.21pm asked MindChamps if it was aware of any information that might explain the unusual trading activity, or if it knew of any other possible explanation for the trading, including public circulation of information by rumours or reports.
See also: China International Holdings triggers SGX query after shares surge over 116% (update)
SGX RegCo has also ordered MindChamps to confirm that it remains in compliance of listing rules.