Zayo Group wraps up $250 million offering; tw telecom to run CVI Melles Griot's network

> Zayo Group wraps up $250 million offering

> tw telecom to run CVI Melles Griot's network

> Cogent Communications to hold Q1 2010 earnings call on May 6th

> Luxembourg Telecom employs MRV for datacenter network 

> Momentum Telecom achieves near-nationwide CLEC certification 

> Global Capacity signs on 'Wisconsin Independent Network' as new customer