Key TakeawaysUrban Outfitters shares sank Thursday, a day after the retailer's second-quarter earnings surpassed analysts' consensus estimates.Executives said in Wednesday's earnings call that sales trends slowed at the end of the quarter and into early August.The president of the Urban Outfitters brand in North America added the retailer is shifting its advertising and product plans to attract younger customers. Shares of Urban Outfitters (URBN) tumbled Thursday to their lowest point since January as marke ...