Cogent Declines After Megaupload.com Is Shut: Washington Mover
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Cogent Communications Group Inc., the Washington-based Internet-service provider, fell the most in more than three years after customer Megaupload.com was shut by U.S. authorities during a copyright-infringement investigation.
Cogent dropped 19 percent to $15.30 at the close in New York, the biggest plunge since December 2008. The stock has lost