US market: property values "predict 2 year slide"

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Study says: 48% of homeowners headed to owe more than the home’s (market) value.

...in the United States, a new study says the number of Americans owing more than their home is worth will see a major rise in the next two years. According to Deutsche Bank, 48 percent of homeowners will have mortgages surpassing their home value by 2011, up from 26 percent this year.