Mortgage rates moved higher Wednesday as investors sold mortgage-backed securities ahead of today’s Treasury auction of 5-year notes and tomorrow’s auction of 7-year notes. In economic news, Existing Home Sales rose 2.9% in April, beating forecast. The national median price fell 15.4% from a year earlier, as distressed properties accounted for 45% of all sales. Stocks were mixed. Durable Goods Orders and New Home Sales data will be released Thursday.