• FirefoxTry Yahoo Finance on Firefox »
  • Dow Down 0.69% Nasdaq Down 1.07%

    Regeneron Pharmaceuticals, Inc. (REGN)

    513.50 Down -23.20(4.32%) NASDAQ - As of 4:00PM EDT
    | After Hours: 513.50 0.00 (0.00%) 6:13PM EDT