Stockpiling helped keep prices stable in April but tariff impacts are about to show up on store shelves across the country.

Walmart, the world’s largest retailer, warned that is not immune from President Donald Trump’s tariffs. It plans to raise prices on some items as Trump’s global trade war sends the company’s costs higher.

Walmart , the world's largest retailer, will have to start raising prices later this month due to the high cost of tariffs, executives said on Thursday, in a clear signal that U.S. President Donald Trump's trade war is filtering through to the American economy.