New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Jan 10, 2017 at 11:50 AM 173 PTCT 14.61 Ptc Therapeutics Cmn is number 24 out of 100 Top trading stocks today. $PTCT +0.32 +2.24% 100 day average volume 1,652,178 with 34,250 outstanding shares. Newer Older