Moody's decision to downgrade the U.S. debt rating by a notch late last week due to mounting government debt and rising interest expenses has rekindled fears of a broader investor reappraisal of U.S. sovereign debt, which could drive up borrowing costs across the economy.

U.S. stocks open lower, consolidating recent gains. Home Depot says it has no plans to raise prices due to tariffs. Musk to stay at Tesla for 5 years.