Is Under Armour slipping into irrelevance? By: MarketWatch January 31, 2018 at 15:16 PM EST Analysts are raising concerns about the challenges facing Under Armour, including its capacity to resonate with today’s shoppers. Read More >> Related Stocks: Apple DSW Inc Dick's Sporting Goods Inc Kohl's Corp Nike Inc S&P Retail SPDR Skechers USA Ord Shs Cl A Under Armour VF Corp