Aluminum 's surge to multiyear highs in the wake of the U.S-Iran war is creating cost pressures for the businesses that manufacture everything from cars to beer cans. Aluminum on the London Metal Exchange has surged more than 13% since the U.S.-Israeli strikes on Iran. The commodity is now up around 19% so far in 2026 and has touched its highest levels since 2022 this year. Prices are being driven higher by the shutdown of the Strait of Hormuz , a key passageway for the delivery of aluminum