New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Lucky Jimmy Oct 11, 2017 at 12:50 PM 177 COST +0.99 total advance today 11:39 ET. Costco Wholesale $COST 157.86 Stock hit a High of 158.93 and 155.08 Low with volume of 1,560,340. Newer Older