The following video is from Wednesday's edition of Investor Beat, in which host Chris Hill and Motley Fool analysts Jason Moser and Evan Niu break down the biggest investing stories from the market today.

In this segment, Evan discusses why T-Mobile (NASDAQ:TMUS) has become such a fun company to watch, while Jason says he'll have his eye on Under Armour's (NYSE:UAA) earnings report tomorrow, and why he believes that the story of Under Armour is just getting started.

Chris Hill and Evan Niu, CFA, have no position in any stocks mentioned. Jason Moser owns shares of Under Armour. The Motley Fool recommends and owns shares of Under Armour. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.