Cempra Rallies Over $4 Off Friday's Low ($15.43)

shares are trading higher by $1.15 at $19.34. After a slightly higher open, it declined only $0.13 before bottoming at $18.22 and resuming its rally. So far, the rally has been halted at $19.72. That marks the highest level for the issue since it peaked on October 20 at $20.14. The issue found support at the $15.50 late last week, bottoming at $15.50 on Wednesday and $15.43 on Thursday.