Moody’s Investors Service downgraded the U.S. sovereign credit rating from Aaa to Aa1, marking the first time all three major credit rating agencies—Moody’s, S&P, and Fitch—have rated U.S. debt below ...

Moody’s Ratings removed the final major Triple-A credit rating for the federal government.

Longer-dated Treasury yields gained while global stock indexes and the dollar eased on Monday amid concerns about a U.S. tax bill and the U.S. debt load and following Moody's downgrade of the U.S. sov...