"The S&P/Case Shiller composite index [XLS file] of 20 metro areas fell 1.4 percent in April from March and slumped by a record 15.3 percent over the year.
. . .
The 20-city month-over-month decline was the smallest drop since the August-September 2007 period.
S&P said its composite index of 10 metro areas slid 1.6 percent in April for a record 16.3 percent annual drop.
Home prices in a dozen of the metro areas have fallen for eight straight months".