As of June 30, nearly one in 10 American homes with mortgages were “seriously” underwater, according to Irvine, California-based ATTOM Data Solutions, meaning that their market values were at least 25 percent lower than the balance remaining on their mortgages.  It is an improvement from 2012, when average prices hit bottom and properties with severe negative equity topped out at 29 percent, or 12.8 million homes. Still, it is double the rate considered healthy by real estate analysts.    Read the article………………