Walmart (NYSE:WMT) generated $681 billion in revenue during fiscal 2025, translating to $1.87 billion per day. But here's the metric that matters more than that staggering topline number: Walmart's operating margin. The Verdict Why It Matters Revenue scale is impressive. Operating margin reveals whether that scale translates to actual profitability. Discount retail operates on razor-thin margins—Target Corporation (NYSE:TGT) runs at 4.6% operating margin, Costco Wholesale (NASDAQ:COST) at 3.7%. Walmart's 4. ...