The retailer saw share gains in new shoppers across income levels mainly led by upper-income households, which make more than $100,000 in annual income, Walmart officials said during an earnings call on Tuesday. Walmart in a previous earnings call had also highlighted the rise in its higher income shoppers.

The bellwether retailer reported higher-than-expected sales in its latest quarter and upgraded its forecast for the rest of the year.

Shares in the world’s largest retailer surged to a record high in New York, as it lured ever more affluent Americans to shop in-store and online.