Existing-home sales increased in August....

....even with ongoing tight credit and appraisal problems, along with regional disruptions created by Hurricane Irene, according to the National Association of Realtors®. Monthly gains were seen in all regions.

Total Existing Home Sales, which are completed transactions that include single-family, townhomes, condominiums and co-ops, rose 7.7 percent to a seasonally adjusted annual rate of 5.03 million in August from an upwardly revised 4.67 million in July, and are 18.6 percent higher than the 4.24 million unit level in August 2010.

Investors accounted for 22 percent of purchase activity in August, up from 18 percent in July and 21 percent in August 2010. First-time buyers purchased 32 percent of homes in August, unchanged from July; they were 31 percent in August 2010.

All-cash sales accounted for 29 percent of transactions in August, unchanged from July; they were 28 percent in August 2010; investors account for the bulk of cash purchases.

Total housing inventory at the end of August fell 3.0 percent to 3.58 million existing homes available for sale, which represents an 8.5-month supply at the current sales pace, down from a 9.5-month supply in July.