The following video is from Tuesday's Investor Beat, in which host Chris Hill and analysts Jason Moser and Isaac Pino dissect the hardest-hitting investing stories of the day.

In this installment of Investor Beat, Jason and Isaac explain why they're keeping a close watch on shares of CSX (NASDAQ:CSX) and Mattel (NASDAQ:MAT).

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.