Fewer Housing Board (HDB) resale flats were sold in September compared with the previous month, and their prices fell. In all, 1,875 such flats changed hands, a 4.9 per cent fall from the figure in August, real estate portal SRX Property said on Thursday when releasing its preliminary figures. Compared with a year ago, last month's decline was 6.3 per cent. Four-room flats made up 39.6 per cent of...