New York CNN —

Middle-class and wealthier Americans are heading to Dollar General. That’s benefiting the company, but it could be a warning sign for the wider economy.

Dollar General said Tuesday that sales at stores open for at least a year had increased 2.4% last quarter. The discount chain also raised its profit forecast for the year.

“We believe we are well positioned to succeed in a wide range of economic environments,” CEO Todd Vasos said on a call with analysts Tuesday.

The Trump administration’s trade policies have stoked uncertainty, raised fears of higher inflation and driven down consumer sentiment to some of the lowest levels on record. Discount stores such as Dollar General tend to gain during periods of economic strain as shoppers tighten their belts.

The company’s r

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