Home prices posted their strongest monthly gains on record in April, according to the Case-Shiller Home Price Indices released Tuesday. The monthly 20-city index rose 2.5 percent in April, and the companion 10-city index increased 2.6 percent.

Economists had expected the 20-city index to increase 1.1 percent from March. 


Year-over-year, the 10-city index was up 12.1 percent, and the 20-city index was up 11.6 percent--in each case the strongest year-over-year gain since March 2006.