In spite of the recent positive data , the overall numbers remain weak , with all metro areas and the two composites posting negative annual returns , and 15 out of the 20 metro areas reporting double digit annual declines . While not alone , Las Vegas and Detroit continue to be two markets that are struggling severely . These are the only two markets that fell in June and saw deterioration in their annual rates of return . Since their relative peaks they have fallen 54.3 % and 45.3 % , respectively .