Under Armour's investment in tennis star Sloane Stephens pays off expand Sloane Stephens, ranked No. 15 in the world, has given the Under Armour brand international attention.

Under Armour expects full-year revenue to grow 9 to 11 percent, lower than its previous forecast of 11 to 12 percent growth. Under Armour is set to report third-quarter earnings on Oct. 31 ...

And in March 2016, nobody on the planet was putting the ball in the basket quite like Golden State superstar Stephen Curry. He was well on his way to winning a second most valuable player award, and ...

Under Armour (UA, UAA) shares skyrocketed as the athletic apparel maker’s better-than-expected results and increased guidance indicated that CEO Kevin Plank's turnaround plan is working.