Key TakeawaysDick's Sporting Goods beat profit and sales estimates, but shares lost ground on concerns about growing inventory levels.The retailer said it had a strong back-to-school shopping season and gained market share.Dick's raised its full-year guidance for earnings, revenue, and comparable store sales. Dick’s Sporting Goods (DKS) posted better-than-expected results and boosted its guidance on strong back-to-school sales and optimism about the upcoming holiday shopping season. Still, shares turned lo ...