Jerome Powell’s speech at the Federal Reserve’s August summit in Jackson Hole, Wyoming, is always a high-stakes moment. This year, the central bank’s chair takes the podium under fire – facing fierce attacks from US President Donald Trump and a growing insurgency within his own institution.

The U.S. dollar was little changed on Wednesday as traders awaited a speech from Federal Reserve Chair Jerome Powell at the annual Jackson Hole central bankers' symposium later this week for clues on the path of monetary policy.

Yardeni Research president Ed Yardeni believes Fed chair Jerome Powell won't give away his hand when he speaks in Jackson Hole this week.

Incoming information has confounded Fed Chair Jerome Powell's data-dependent strategy by pulling in both directions.