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,

The highlight of the Kansas City Fed’s Jackson Hole central bank symposium is the Federal Reserve chair’s speech on Friday. This year, the U.S. economy faces economic and political cross-currents as Jerome Powell addresses the gathering for the last time as head of the central bank.

Fed chair Jerome Powell will deliver remarks at Jackson Hole on Friday. State Street's chief strategist lays out what investors should listen for.