U.S. house prices rose 1.1 percent from the second quarter to the third quarter of 2012 according to the Federal Housing Finance Agency’s (FHFA) seasonally adjusted purchase-only house price index (HPI). The HPI is calculated using home sales price information from Fannie Mae and Freddie Mac mortgages. Seasonally adjusted house prices rose 4.0 percent from the third quarter of 2011 to the third quarter of 2012. FHFA’s seasonally adjusted monthly index for September was up 0.2 percent from August. “With significant growth in home prices during the quarter and a modest inventory of homes available for sale, house price ... (full story)