With its stock price hitting an all-time high and trading for more than 300 times earnings, can Amazon.com (NASDAQ:AMZN) continue to defy gravity? Can the Kindle Fire, Amazon Prime, Amazon Web Services, and other initiatives help Amazon maintain, or even expand, its impressive top-line growth? When will big gains on the revenue side finally show up in Amazon’s profits? Most importantly, can Amazon’s stock still be a profitable investment from here?

Fools Buck Hartzell and Matthew Argersinger debate. Watch the video below to get their insights, and let us know in the comments section below what side you're on. And if you have another stock you'd like to see Fool analysts do a bull-bear on, let us know that too!

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.