Performance sportswear seller makes fifth straight appearance on this list riding interest in high-tech gear and athleisure apparel.
News about Under Armour
The brand's new line courts luxury shoppers.
Sponsor Under Armour assisted swimmer's data collection.
He earned a whopping $64.5 million last year.
The company said it was "dedicated" to hunters, but spearing the bear may have been a step too far.
Videos about Under Armour
With Fortune’s Adam Lashinsky