The following video is from Friday's Motley Fool Money roundtable discussion, in which host Chris Hill, and analysts James Early, Jason Moser, and Tim Hanson discuss the biggest investing stories of the week.

In this installment of Motley Fool Money, our analysts explain why they're watching TD Ameritrade (NASDAQ:AMTD), National Oilwell Varco (NYSE:NOV), and Waste Management (NYSE:WM).

The relevant video segment can be found between 19:47 and 22:10.

For the full video of this week's Motley Fool Money, click here.