New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Lucky Jimmy Oct 11, 2017 at 12:47 PM 131 MKSI +1.00 total advance today 11:37 ET. Mks Instruments Inc $MKSI 96.65 Stock hit a High of 96.70 and 95.45 Low with volume of 54,179. Newer Older