Peering Into Satellite Radio's Future XM Satellite Radio announced this week that it now has 5 million subscribers, more than twice as rival Sirius. So why does Sirius have a larger market capitalization? And what does the future hold for XM? Motley Fool analyst Rick Munarriz talks with David Gardner about the business of satellite radio.

Peering Into Satellite Radio's Future

Peering Into Satellite Radio's Future

Audio will be available later today.

XM Satellite Radio announced this week that it now has 5 million subscribers, more than twice as rival Sirius. So why does Sirius have a larger market capitalization? And what does the future hold for XM? Motley Fool analyst Rick Munarriz talks with David Gardner about the business of satellite radio.