What happenedFrom the article

• Costco reported strong Q4 fiscal 2026 results, driven by a rise in U.S. comparable-store sales excluding fuel, especially in fresh food like bakery and meat.
• Packaged and frozen foods, non-food categories, pharmacy sales, and fuel operations also did well.
• Net sales increased 11.2% and net income rose nearly 15%.
• The company's strategy includes reducing prices on private label items and expanding its retail footprint.

Why investors careOur explanation

Higher net sales means more money came in from customers buying things, and higher net income means more of that money turned into profit after costs. When a retailer says specific departments like fresh food are driving sales, it points to where