Walmart sales growth slows Photo: The Canadian Press The Walmart logo is displayed on a store, Aug. comparable sales in six years during its most recent quarter, and the retailer’s guidance for the rest of the year was seen as cautious by Wall Street. Walmart’s second quarter fanned anxiety about the financial well-being of low-income shoppers who are spending cautiously as prices rise at the gas pump and everywhere else. , which measure sales at stores open at least a year along with online sales tied to those locations, rose 2. Excluding the wellness category that includes Walmart’s pharmacies, comparable sales increased 3.