Fitch affirmed the U.S. credit rating at "AA+" on Friday, highlighting concerns over rising debt levels while also citing the country's large, high-income economy, and its financing flexibility due to the dollar's role as global reserve currency.

S&P Global has affirmed its 'AA+' sovereign credit rating of the U.S. as it expects "meaningful" tariff revenue to help offset any fiscal slippage from President Donald Trump's tax and spending bill.

S&P said it is maintaining the AA+ rating on the U.S. as it expects tariff revenue will shore up the nation's finances.