Walmart CEO Doug Macmillan: People with higher income levels come to us more often to shop. Although keeping the inflation rate in single digits helps, some categories of price inflation have continued for many years. Low-income groups are under tremendous pressure.

Walmart CEO Doug Macmillan: People with higher income levels come to us more often to shop. Although keeping the inflation rate in single digits helps, some categories of price inflation have continued for many years. Low-income groups are under tremendous pressure.