"Under water" mortgages are growing threat to U.S. (Reuters)

Tue Oct 21, 2008 9:49pm EDT

"About 12 million U.S. homeowners owe more than their homes are worth, compared with 6.6 million at the end of last year and slightly more than 3 million at the close of 2006, said Mark Zandi, chief economist at Moody's Economy.com."

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http://www.reuters.com/article/gc03/idUSTRE49L01S20081022