Financial markets are taking in a collective breath ahead of Jerome Powell's eighth and final keynote Jackson Hole speech as Federal Reserve Chair. If the moves following his last seven are any guide,

This week's set-piece event is the Jackson Hole central-bank gathering in Wyoming, slated for Thursday through Saturday. Investors will tune into Federal Reserve Chair Jerome Powell's speech for any hints on whether the central bank might kick off interest-rate cuts in September.

Jay 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 Donald Trump and a growing insurgency within his own institution.