LEESBURG, Va., June 18 /PRNewswire-FirstCall/ -- GuestMetrics issued a retraction to its June 17th press release stating that it has revealed an expanded relationship with American Express. The details contained in the press release related to American Express were erroneous and inaccurate. There is no partnership between GuestMetrics and American Express. To clarify, GuestMetrics provides beverage alcohol suppliers, distributors and the financial industry with aggregate data for use in their value stories. We apologize if any of the information was deemed inaccurate.