Home prices show expected weakness in November

19 of 20 markets in Case-Shiller index post annual gains

Home prices declined from October to November in half of the markets tracked by the S&P/Case-Shiller 20-City Composite index, but prices in every market but New York were up on an annual basis.

All in all, the 20-City Composite was down 0.1 percent from October to November on a non-seasonally adjusted basis, but up 5.5 percent from a year ago.