Key TakeawaysUnder Armour posted better-than-anticipated profit and sales, and gave credit its effort to turn around the company.The athletic apparel maker increased its gross margin and slashed expenses, and boosted its guidance.Founder and CEO Kevin Plank said the turnaround plan is "gaining traction." 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. The company posted ...