MIAMI - SEPTEMBER 25: Realtor Gary Hecht, from Coldwell Banker Residential Real Estate, Inc. , waits to show a home he is selling to prospective home buyers September 25, 2007 in the Coconut grove neighborhood of Miami, Florida. According to the S&P/Case-Shiller home price index released today the decline in U.S. home prices accelerated nationwide in July, posting the steepest drop in 16 years. Getty Images logo Getty Images 28 months ago

MIAMI - SEPTEMBER 25: Realtor Gary Hecht, from Coldwell Banker Residential Real Estate, Inc. , waits to show a home he is selling to prospective home buyers September 25, 2007 in the Coconut grove neighborhood of Miami, Florida. According to the S&P/Case-Shiller home price index released today the decline in U.S. home prices accelerated nationwide in July, posting the steepest drop in 16 years.