At least 7.5 million Americans owe more on their mortgages than their homes are currently worth, according to a real estate research firm's report released Friday. In other words: If they sold their homes today, they'd have to bring a check to the closing. Ouch! Another 2.1 million people stand right on the brink, according to the report by First American CoreLogic. Their homes are worth less than 5% more than the mortgages they're paying on them.
The technical term for this phenomenon is negative equity; more colloquially, these borrowers are often referred to as being "underwater." "Being underwater leaves homeowners vulnerable to foreclosure," said Mark Fleming, CoreLogic's chief economist. That's because these borrowers are left with no home equity to tap - via refinancing or a home equity loan - if they run into financial trouble. Negative equity has contributed much to the soaring increase in foreclosures over the…