1.  Bonds (especially Treasuries):

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  Short term:  Yields may  rise  as investors demand more return for perceived risk.
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  Long term:  Treasuries often remain a  safe haven, so demand may still hold up despite the downgrade.
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  Corporate & municipal bonds  might see pressure due to their link to U.S. debt stability.

2.  Foreign Exchange (FX):

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  The  U.S. dollar could weaken  if global investors lose confidence.
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  But in crises, USD is still a  global reserve currency, so it may not fall sharply unless the downgrade is severe or accompanied by political dysfunction.

3.  Indices (e.g., S& P 500):

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  Equities may drop short-term, especially financial and interest rate-sensitive sectors.
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  Volatility usually spikes.
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  Risk-off sentiment may lead to a  rotation out of stocks into cash or defensive assets.

4.  Gold:

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  Gold usually  rallies  during downgrades due to its  safe-haven appeal.
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  If confidence in fiat currencies drops,  gold demand increases.

5.  Your Money:

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  Loan/credit card interest rates  might go up slightly if the downgrade pushes yields higher.
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  Savings accounts may benefit  marginally from higher rates.
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  401(k)s and investment portfolios  could face short-term volatility.