The S&P/Case-Shiller Index, the most widely-followed measure of home prices, rose at its fastest rate since the summer of 2006 in January. The data shows a sustained drawing down of the shadow inventory, and a continued positive trend in home sales. The growth is expected to continue; Barclay’s economic research team estimates that home prices will gain between 6% to 7% this year. All 20 cities studied in the S&P/Case-Shiller Index posted gains for 2012, with 19 of the 20 showing acceleration in January. To read the full report visit Forbes.