The S&P/Case-Shiller Composite 20-City Home Price Index shows a 2.4 percent drop in home prices at the end of 2010 compared to 2009. December prices were down 1.0 percent from the month before. David Blitzer, chairman of the index committee at Standard & Poor’s, said, unlike the period between 2006 and 2009 when all cities saw prices move together, there are differing stories around the country, noting price gains in California and the Northeast. More here and here.