04/20/2009 05:12 am ET Updated May 25, 2011

U.S. Regulator Probing "Rampant Ponzimonium"

Hundreds of people in the United States are under investigation for financial scams, many involving Ponzi schemes, a U.S. regulator said on Friday, calling the phenomenon "rampant Ponzimonium."

While none are as mammoth as disgraced financier Bernard Madoff's $65 billion fraud, multimillion-dollar "mini Madoffs" are proliferating from New York to Hawaii, the head of the Commodity Futures Trading Commission said.

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