Hosen previously received a query from the market regulator in September 2020 when its shares surged 89.2% to 7 cents from its last closed price of 3.7 cents.
Shares in Hosen closed 3.9 cents higher or 55.7% up at 10.9 cents on Jan 25, triggering a query from Singapore Exchange Regulation (SGX RegCo) at 5.02pm.
This is the second query issued in five months.
