NEW YORK & LONDON--(BUSINESS WIRE)--Fitch Ratings has placed the United States of America's (U.S.) 'AAA' Long-term foreign and local currency Issuer Default Ratings (IDRs) on Rating Watch Negative (RWN). The ratings of all outstanding U.S. sovereign debt securities have also been placed on RWN, as has the U.S. Short-term foreign currency...
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