Why did Kohl's, Under Armour stock go up today? Hot retail sales

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• Kohl's Corp. (NYSE:KSS) and Under Armour (NYSE:UAA) closed Tuesday up, respectively, ~8% and ~5%, after a U.S. Census Bureau report releasded earleir in the day found retail sales in September rose higher than expected.
• Last month, sales were up 0.7%, well above the