The new year brought a new sense of caution among investors that in turn caused interest rates to pull back after a month of marching higher.

That was enough to put a little juice back into the mortgage market: Total mortgage application volume increased 5.8 percent on a seasonally adjusted basis last week from the previous week. The Mortgage Bankers Association included an adjustment for the New Year's holiday. Application volume, however, is 25 percent below year-ago levels.