Cogent Communications (CCOI) shares rallied 6.3% in the last trading session to close at $53.83. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 27.6% loss over the past four weeks.Cogent continues to boast a leading provider of high-speed Internet access market. It benefits from cost-effective operations and a streamlined product offering that eliminates redundant costs and offers greater pricing flexibility ...