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    Regeneron Pharmaceuticals, Inc. (REGN)

    -NasdaqGS
    506.63 Down 7.25(1.41%) May 26, 4:00PM EDT
    |After Hours : 507.00 Up 0.37 (0.07%) May 26, 7:26PM EDT
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    No headlines available for REGN prior to February 4, 2013.