Cogent shares fall 19% ($160M) the day after Megaupload shutdownhttp://www.bloomberg.com/news/2012-01-20/cogent-slumps-after-megaupload-com-is-shut-washington-mover.html?cmpid=yhoo by SyneRyder • 15 years ago 2 0 15 years agoBLbloomberg.com