New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Mar 28, 2017 at 2:13 PM 247 PTCT 8.61 Ptc Therapeutics Cmn is number 36 out of 101 Top trading stocks today. $PTCT -0.14 -1.60% 100 day average volume 1,443,127 with 34,560 outstanding shares. Newer Older