Sales could be 'bumpy' in first half of the year
Fannie Mae sees rates on 30-year loans at 4 percent by end of year
Fannie Mae sees rates on 30-year loans headed back above 4 percent this year
Demand for purchase loans up 16 percent from a year ago
Commentary: Despite investors' fears, central banks won't tolerate inflation
Purchase loan demand up 26 percent from year ago
Fed may scale back or end efforts to keep rates low if job gains continue
Refinancings still account for most home loan originations
Low mortgage rates could help keep recovery on track in 2013