CNNFar fewer mortgage borrowers 'deeply underwater'CNNLas Vegas still has more homeowners deeply underwater than any other city, leading to a lot of foreclosures. NEW YORK (CNNMoney). A growing number of mortgage borrowers are keeping their heads above water, according to a report from RealtyTrac.Home Equity Gains Spur the Economy as Owners Buy Cars: MortgagesBusinessweekReport: A third of Ill.