Powell delivered the guidance in a highly anticipated speech on Friday at the central bank's annual symposium in Jackson Hole, WY.

Fed Chair Jerome Powell signals the first rate cut could come next month. On Way Too Early, Courtenay Brown breaks down why Wall Street cheered — and why some see a red flag.

World shares were mixed on Monday after the head of the Federal Reserve hinted that cuts to interest rates may be on the way. European markets opened lower, with Germany's DAX down 0.2% at 24,305.67,