New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Apr 3, 2017 at 11:56 AM 472 CEMP 3.75 Cempra Inc is number 30 out of 101 Top trading stocks today. $CEMP unch unch 100 day average volume 2,352,907 with 52,390 outstanding shares. Newer Older