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'The fire seems to be back': Under Armour shares rise on JPMorgan upgrade

Holden Wilen
'The fire seems to be back': Under Armour shares rise on JPMorgan upgrade

JPMorgan Chase & Co. analyst Matthew Boss upgraded Under Armour's stock to "overweight" on Friday after visiting with Plank and other executives earlier in the week at the sportswear maker's headquarters in Baltimore.