Groupon (GRPN -2.7%) continues its downward slide, and Morningstar is the latest to register its...

|By:, SA News Editor

Groupon (GRPN -2.7%) continues its downward slide, and Morningstar is the latest to register its disrespect: "Groupon's business can easily be replicated... Customers and merchants have no switching costs... The firm has no meaningful intangible assets, and it doesn't enjoy network effects... The firm also does not have a cost advantage."