New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Lucky Jimmy Apr 13, 2017 at 1:50 PM 28 STMP +2.70 total advance today 13:41 ET. Stamps.Com Inc $STMP 105.70 Stock hit a High of 107.50 and 102.51 Low with volume of 454,241. Newer Older