Walmart posted a strong first quarter and reiterated guidance for the year. However, executives warned that financial performance for the year ahead was subject to “substantial uncertainty” as a result of fluctuating tariff policies.

Walmart’s first quarter profit slipped and it said it must raise prices due to higher costs from tariffs implemented by President Donald Trump

The CFO of Walmart says tariffs have been challenging, and that it expects some prices will rise in the coming weeks. It’s the latest evidence that President Trump’s trade war is beginning to filter through the economy and into Americans’ pocketbooks.