U.S. mortgage rates mostly increased in the latest MBA survey, with the 30-year fixed rate rising 1 basis point to 6.79% and the 15-year fixed climbing 4 bps to 6.14%. The 30-year jumbo rate increased to 6.76% and FHA loans to 6.49%. Meanwhile, the 5-year adjustable rate fell 4 bps to 5.94%, bucking the broader upward trend.