Mortgage rates moved even lower last week after setting multiple record lows in recent months, spurring more borrowers to call their lenders and apply for a refinance, but homebuyers were not quite as motivated. 

The average contract interest rate for 30-year fixed-rate mortgages with conforming loan balances of up to $510,400 slipped to 3.01% from 3.05%, while points decreased to 0.37...