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Bruce Berkowitz's Fairholme Capital Managementjust filled in a few blanks on its new stakes in the preferred stock of Fannie Mae (FNMA) and Freddie Mac (FMCC): The positions are worth $2.4 billion at par value.

Both stocks are continuing their rollercoaster trading on Monday, gaining about 21% apiece. Freddie is up 828% year to date. For Fannie, it's 892%.