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.