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Just as President Donald Trump has been insisting that inflation is on the run, the war involving Iran threatens another price spike that could undermine his central case for lower interest rates.

Oil prices jumped overnight as markets reacted to the escalation in the region, following a joint U.S.-Israel strike. West Texas Intermediate futures

rose more than 5% while Brent crude futures

gained about 6%, both off their overnight highs but still sharply elevated.