The following video is from Tuesday's Investor Beat,  in which host Mark Reeth, and Motley Fool analysts Jason Moser and Tim Hanson, dissect the hardest-hitting investing stories of the day.

In this segment from Investor Beat, Tim and Jason explain why they're keeping a close watch on shares of Dollar Tree (NASDAQ:DLTR) and PetSmart (UNKNOWN:PETM.DL).