Mortgage rates were little changed Wednesday ahead of the 2:00 PM release of Minutes from last month’s Fed meeting. Results from today’s 10-year Treasury auction will come out at 1:00 PM. The Mortgage Bankers Association weekly purchase activity index fell by 3.1%, while the refinance activity index dropped by 4.4%. Average reported 30-year fixed rates jumped to 4.68%, not including fees. Fed Chairman Bernanke will be speaking today at the National Bureau of Economic Research in Boston at 4:10 PM.