New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Lucky Jimmy Apr 7, 2017 at 8:02 PM 150 REGN +1.07 total advance today 04/07/17. Regeneron Pharmaceutical $REGN 380.55 Stock hit a High of 381.36 and 375.61 Low with volume of 741,680. Newer Older