Stocks flat as investors shake off Moody's credit downgrade 5/19/25

U.S. Treasury yields spiked after Moody’s lowered the U.S. credit rating down one notch to Aa1 from Aaa, bringing the agency in line with peers. The firm cited financing challenges tied to the federal government’s growing budget deficit and the ramifications of rolling over existing U.S. debts in a period of high borrowing costs. We’ll tell you all you need to know.