Stripping out the effects of the tax holiday, annual inflation ticked up for December to 2.3%.

These are today's mortgage and refinance rates. Mortgage rates have increased this month, and it's unclear if they'll drop much this year.

Rates on new 30-year loans have been wavering below a recent 6-month high—but are now creeping back up to approach it again. Several other loan types also edged higher.