But the rest of the alleged debt, which relates derivative products called Contracts for Difference (CFDs) used to bet on the price of bank shares, is disputed.

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In that case the SEC alleged that Goldman misstated and omitted key facts regarding a synthetic collateralized debt obligation (CDO) it marketed which hinged on the performance of subprime residential mortgage-backed securities.

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Zell was supposed to use proceeds from that sale, promised last year but delayed repeatedly and now in limbo again after alleged illegal stock market trading by a leading bidder, Mark Cuban, to pay down debt.

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