Jonathan Ernst / REUTERS
A U.S. flag decorates a for-sale sign at a home in the Capitol Hill neighborhood of Washington, D.C.
By NBC News and wire services
More Americans purchased previously-owned homes in July, suggesting improvement in the beleaguered housing market over the summer.
Existing home sales rose 2.3 percent last month, with sales rising to a seasonally adjusted annual rate of to 4.47 million units, up...
