Cogent Communications CEO to Present at Four Upcoming Conferences Apr 30, 2014 11:27AM
Jefferies Starts Cogent Communications (CCOI) at Hold Dec 19, 2013 09:16AM
Jefferies Boosts Numbers on Cogent Communications (CCOI) May 4, 2012 09:14AM
Jefferies Starts Cogent Communications (CCOI) at Buy Nov 17, 2011 07:42AM