At the current yield, the Series A preferred stock yields 7.65%, about four percentage points lower than the common stock but with a lot less volatility.

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Messrs Breyer and Thiel were elected by stockholders of, respectively, the holders of a majority of the shares of Series B preferred stock and Series A preferred stock.

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As of June 30th of this year, MF Global Holdings had 1.5 million shares of Series A Preferred Stock and 400, 000 shares of Series B Preferred Stock outstanding.

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