New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Jan 5, 2017 at 11:55 AM 156 PTCT 12.61 Ptc Therapeutics Cmn is number 29 out of 100 Top trading stocks today. $PTCT +0.86 +7.32% 100 day average volume 1,649,653 with 34,250 outstanding shares. Newer Older