By Mak Yuen Teen Last week, near the end of a trading day, the share price of a Catalist issuer went up by 10% and its trading volume by more than 100 times compared to the previous day. This attracted a trading query from SGX. In its response to the query that same evening, the issuer said that at 5.10 pm that day, the board had received an approach letter indicating that a more than 10% [ Aspen UMS JEP ]