Home prices in 20 metropolitan regions across the U.S fell in December, according to the Standard&Poor's/Case-Shiller Home Price Indexes.

The S&P/Case-shiller 20-city home price index in December fell 0.50 percent, the seventh back-to-back drop. Companired with year earlier, S&P/Case-shiller Composite-20 fell to -3.99 percent from -3.85 percent.