Moody's cut its outlook on U.S. credit ratings to negative from stable, citing rising interest costs and the large fiscal deficit as beginning to undermine America's credibility. Political polarization, the ratings agency said, "raises the risk that successive governments will not be able to reach consensus on a fiscal plan to slow the decline in debt affordability." Investors have grown wary that the [U.S. economy can handle its rising interest expenses](https://ift.tt/58GcR2K) without a major change in federal spending, taking out their concerns on the market for U.S. government debt.
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