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

If inflation starts climbing again after a rate cut, “the Fed will have to reverse course — and in the worst case, start hiking again,” Slok said.

Brent Donnelly of Spectra Markets ran a sizeable survey of expectations for Fed Chair Jerome Powell's speech, and of the 473 responses, 51% expect a neutral-to-boring outcome and 43% see a hawkish tint.