U.S. President Donald Trump announced on Tuesday that Washington will "respond" after Iran shot down an Apache helicopter patrolling the Strait of Hormuz, though both pilots were reported safe.

The incident marks a direct kinetic escalation in one of the world’s most critical energy chokepoints, immediately raising concerns over shipping disruption and potential supply-chain friction.

Markets are likely to price in heightened transit risk, with Brent crude and tanker equities poised to react to any follow-on military posturing or routing restrictions.

Commercial vessels and insurers will closely monitor for changes in insurance premiums, mandatory routing adjustments, or naval deployments aimed at securing the corridor.