Dow futures drop 452 points as U.S.-Iran tensions increase

Dow Jones Industrial Average futures fell by 452 points, or 0.9%, amid escalating U.S.-Iran tensions related to the seizure of an Iranian-flagged cargo ship. S&P 500 futures declined 0.8%, while Nasdaq-100 futures dropped 0.6%. President Trump confirmed that the U.S. had fired on and seized the cargo ship, which is under U.S. sanctions. Crude oil prices rose, with West Texas Intermediate futures increasing 8% to $90.54 per barrel following the developments.