[Dick's Sporting Goods' worst day](https://www.marketwatch.com/story/dicks-sporting-goods-stock-is-having-its-worst-day-ever-as-sneakers-arent-selling-without-deeper-discounts-5a868358?mod=mw_rss_topstories) exposes a structural divergence in scale: WMT's revenue base and net margin generated in net income, while KR's revenue at margin produced — yet both companies' resilience masks what's actually happening at specialty retail.

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