Under Armour shares sink after JPMorgan forecasts a ‘full-price hangover’ that will drag down revenue By: MarketWatch January 06, 2020 at 15:49 PM EST Under Armour is struggling to turn around its North American business. Read More >> Related Stocks: Boot Barn Holdings Inc Lululemon Athletica Macy's Nike Inc Nordstrom S&P Retail SPDR Under Armour Under Armour Inc Cl C Urban Outfitters