New Post Public Reply Private Reply Replies (0) Message Board Keep ← Newer Older → Lucky Jimmy Apr 11, 2017 at 8:56 PM 152 Post number Post of 145,879 Go PRLB +1.25 total advance today 04/11/17. Proto Labs Inc $PRLB 51.40 Stock hit a High of 51.45 and 50.00 Low with volume of 255,900. Newer Older