Citigroup VIEs Raise Question Of Solvency

'The new source of potential losses: so-called variable interest entities that allow financial firms to keep assets such as subprime-mortgage securities off their balance sheets. VIEs may contribute to another $88 billion in losses for banks roiled by the collapse of the housing market, according to bond research firm CreditSights Inc. Goldman, which hasn't had any of the industry's $163 billion in writedowns, said last month it may incur as much as $11.1 billion of losses from the instruments.'