The US president sparked market concern earlier this year when he suggested the central bank chief’s termination could not come fast enough.

In the latest in a series of attacks on Powell, Trump said the Fed's key borrowing rate should be at least 2 percentage points lower.

The US president sparked market concern earlier this year when he suggested the central bank chief’s termination could not come fast enough.

President Donald Trump has long criticized Federal Reserve Chair Jerome Powell for not lowering interest rates.