RISMEDIA, March 4, 2010—Existing-home sales fell in January 2010 but are above year-ago levels, according to the National Association of Realtors. Existing-home sales- including single-family, townhomes, condominiums and co-ops- dropped 7.2% to a seasonally adjusted annual rate of 5.05 million units in January from a revised 5.44 million in December, but remain 11.5% above the 4.53 million-unit level in January 2009.