New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan May 5, 2017 at 3:55 PM 139 CEMP 3.80 Cempra Inc is number 40 out of 100 Top trading stocks today. $CEMP -0.05 -1.30% 100 day average volume 2,110,656 with 52,500 outstanding shares. Newer Older