(ShareCast News) - Jiasen International Holdings said on Wednesday that it was not aware of any reason for the jump in its share price.The AIM-listed designer, manufacturer and wholesaler of wooden home furnishings said it was in the process of conducting its annual audit and expects to release its final results, including a trading update, in the week beginning 20 June.At 1530 BST, shares were up 74% to 5.88p.