Richard Drew/AP
- Fitch downgraded US debt from AAA to AA+ on Tuesday, but Goldman Sachs isn't concerned.
- The downgrade is unlikely to spark a sell-off in markets, and it contained no new fiscal information.
- Overall, it "should have little direct impact on financial markets," the bank said.
Fitch slashed the US's credit rating on Tuesday, but Goldman Sachs doesn't see reason for concern.