Fed chair warns US inflation battle not over and hints at further rate rises

Jay Powell tells symposium in Wyoming that inflation is still too high but that US central bank will keep at it until the job is done'

The Federal Reserve chair, Jerome Powell, used a closely watched speech on Friday to warn that the fight against inflation in the US is not over.

Speaking at the Federal Reserve Bank of Kansas City's annual gathering of central bankers in Jackson Hole, Wyoming, Powell said inflation was still too high and that interest rates might have to rise further to tamp it down.