Biggest Share of Home Price Declines Since 2012 The American housing market is entering a new phase of cooling, with a majority of homeowners now seeing their property values slip from last year's highs. New analysis from Zillow shows that 53% of U.S. homes have lost value over the past 12 months -- the largest share since 2012, when the market was clawing its way out of the post-recession trough. The...