FHA endorsements saw very little improvement in May as mortgage interest rates began to climb, according to Inside FHA Lending’s analysis of FHA data. Total FHA originations rose only 2.4 percent in May to $22.0 billion from $21.5 billion the previous month, and 8.9 percent on a year-over-year basis. Volume was split down the middle between purchase and refinancings, with rates rising from 3.35 percent during the first week of May to 3.81 percent at the end of May. Retail accounted for 81 percent of FHA endorsements, which were mostly 30-year, fixed-rate mortgages. The average interest rate for FHA-insured, 30-year FRMs was ... [1 chart]