U.S. Capitol building
Fitch now rates the US government as AA+.
  • Fitch's downgrade of the US government's credit score on Tuesday has come as a shock to markets. 
  • The ratings agency slashed the US's credit grade from the top-tier AAA score one notch to AA+.
  • Here's how 8 top voices have reacted, including Jamie Dimon, Warren Buffett and Larry Summers. 

Fitch shocked the markets when it cut the US government's credit score Tuesday at a time when the economy appears to be in a stable state.

The ratings agency downgraded the US's long-term rating from the top-tier AAA score to AA+, meaning it believes the government is less likely to pay back its debts despite Congress lifting the debt ceiling to avoid a default.