Hormuz disruption lifts ExxonMobil's market value to a record $643 billion

Oil spiked to about $100 a barrel as the Iran war left the Strait of Hormuz largely disrupted, according to Fortune. ExxonMobil's market value rose nearly 30% in 2026 to a new high of $643 billion. U.S. crude was up about 70% since the start of the year.

• Global oil spiked to about $100 a barrel, the highest since Russia invaded Ukraine
• ExxonMobil market value up nearly 30% this year to a record $643 billion
• U.S. crude benchmark up about 70% since the start of 2026
• About 20% of daily oil and LNG supplies trapped by the Hormuz disruption