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    Regeneron Pharmaceuticals, Inc. (REGN)

    -NasdaqGS
    451.48 Down 8.30(1.81%) Mar 31, 4:00PM EDT
    |Pre-Market : 450.00 Down 1.48 (0.33%) 7:28PM EDT - Nasdaq Real Time Price
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    No headlines available for REGN prior to February 4, 2013.