The Housing and Development Board (HDB) has received an overwhelming response to its second batch of Build-to-Order flats in Yishun. Jade Spring was launched on Tuesday, and as of 5pm on Wednesday, HDB received 771 applications for the 576 flats available. 715 of the applications were for the four-room units. The prices of the two, three and four-room units range from S$77,000 to $253,000. Interested...