Apr 29, 2013 01:56PM Cogent Communications CEO to Present at Two Upcoming Conferences

Apr 2, 2012 07:32AM BofA/Merrill Lynch Downgrades Cogent Communications (CCOI) Two Notches to 'Underperform'

Jan 14, 2010 08:08AM Bank of America Upgrades Cogent Communications (CCOI) to Buy

Oct 19, 2009 07:40AM Bank of America Initiates Coverage on Cogent Communications (CCOI) with a Neutral