IMF predicts troubled assets could spiral to $4 trillion

The International Monetary Fund is forecasting that financial institutions have racked up $4 trillion in troubled debt. In its upcoming assessment of the global economy, the IMF is expected to raise its estimate of the deterioration of assets originated in the U.S. from $2.2 trillion to $3.1 trillion by the end of 2010. Meanwhile, troubled assets originated in Asia and Europe are expected to total $900 billion. 

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