Potential tariffs could cost American consumers between $46B and $78B in annual spending power, the National Retail Federation says.

Walmart — the world's largest retailer — is now issuing a warning to customers that they may be paying more for the same products if President-elect Donald Trump makes good on his promise to impose new tariffs on imports.

Our model is everyday low prices,” CFO John David Rainey said. “But there probably will be cases where prices will go up for consumers.”