Discussion of Data Case Key Topic . On February 9, 2006, XM Satellite announced a three-year, $55 million deal with Oprah Winfrey. The announcement stated that "Oprah & Friends,' a new channel on XM, would begin broadcasting in September 2006. What was the change in XM's market value from January 30, 2006 through February 10, 2006? Does the $55 million investment appear to have been a good idea? - http://www.msnbc.msn.com/id/11252743/