COST ▼ -1.5% - Costco Wholesale Corporation $COST WMT TJX lows Costco shares fell 1.5% today alongside Walmart and TJX Companies, with all three retail stocks trading near their recent lows. The headline doesn't specify a particular catalyst driving the decline, suggesting the stocks may be moving together due to broader retail sector weakness or market-wide headwinds. 27-AUG-2026 10:16 AM ET