By James R. Hagerty, Wall Street Journal

The number of homes listed for sale declined again in many U.S. cities last month, though supplies are generally plentiful. The supply of homes available for sale in 28 major metropolitan areas at the end of May was down 3.9% from a month earlier, according to figures compiled by ZipRealty Inc., a real-estate brokerage firm based in Emeryville, Calif. The ZipRealty data cover all single-family homes, condominiums and town houses listed on local multiple-listing services in metro areas where the firm operates. On a national basis over the past 25 years, inventories typically have shown little change in May from April levels, according to Zelman & Associates, a research firm. Full story, click here.