New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Mar 7, 2017 at 3:48 PM 167 PTCT 10.03 Ptc Therapeutics Cmn is number 36 out of 100 Top trading stocks today. $PTCT -0.19 -1.86% 100 day average volume 1,532,129 with 34,320 outstanding shares. Newer Older