With their latest annual gain of 8.1%, real estate prices — as measured by the 20-City S&P/Case-Shiller Home Price Index — continued to rise, but the pace of the increase is slowing. The last three sets of numbers reported (for April, May, and June sales) show gains of 10.8%, 9.3%, and now 8.1%, respectively. MoreUSC's Josh Shaw Admits Lying About Heroic Rescue NBC NewsDouble Trouble: Storms Off Both Coasts Send Waves Soaring NBC NewsU.S.