Visitor levels remain significantly lower than a year ago but most housebuilders continue to expect higher sales this year than last.New home prices continued to rise in June. Activity in the month compared with the same month a year ago (balance+) MarAprilMayJune Site visitors-19-17-21-25 Net reservations-14-21-18-11 Net house price change during the month (balance+) 29302620 Companies expecting higher sales in …