Shares in Singapore-based concert organiser company UnUsUaL jumped as much as 12 percent to S$0.55 on Wednesday amidst heavy trading.
About 6 million shares worth about S$3 million changed hands, making it one of the top percentage gainers on the Singapore Exchange.
Singapore Exchange has issued a query to the company to explain the unusual trading activity. UnUsUaL is yet to respond to it.
UnUsUaL operates as a production and promotion service provider for events and concerts.
The Company provides services in staging, SLV for an event and a concert, and organize and promote concerts.
At 0800 GMT, shares in the company were up 12.2 percent at S$0.545. The company has a market value of S$331 million.