On December 7, Fitch revised surveillance criteria for rating CDOs exposed to corporate debt. Fitch Release.

On December 9, S&P published methodology for analyzing rating confirmation requests for amendments to CDO documents which would allow subsidiary SPEs to be formed to hold equity securities received as part of a workout. S&P Release.

On December 10, S&P announced that it will no longer rate obligations with variable principal payments linked to commodity prices, equity prices, or indices linked to either commodity or equity prices. S&P Release.

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