The following video is from Thursday's Investor Beat,  in which host Rex Moore, and analysts Jason Moser and Matt Koppenheffer dissect the hardest-hitting investing stories of the day.

In this installment of Investor Beat, Motley Fool analysts Matt Koppenheffer and Jason Moser explain why they're keeping a close eye on shares of CarMax (NYSE:KMX) and Facebook (NASDAQ:FB).

The relevant video segment can be found between 5:26 and 6:43.

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.