Diesel set a record. The margin went to whoever re-priced first.
In Q3 2026 the Strait of Hormuz closed again, US diesel reached the highest weekly price in the EIA's records, and the US rebuilt its tariff wall on Section 301, Section 338 and Section 232 after IEEPA fell. The same disruption raised Maersk's EBIT 89% and left Hapag-Lloyd with an H1 loss. The difference was how fast each company moved a cost into a price, and the clearest AI returns of the quarter came from the teams that use AI to do exactly that.
Shift from Q2 2026: Health Evolution rises 1 → 2 as Section 232 pharmaceutical tariffs, oncology drug shortages and livestock import controls became documented supply chain constraints. Energy holds at 5 and stays critical because the shock deepened. AI, Robotics and Quantum hold.
Crude fell in July. Diesel kept climbing.
Q2 ended with a ceasefire and a falling oil price. The June US–Iran ceasefire lasted less than three weeks, and by early July the IEA described the Strait of Hormuz as "effectively closed again" (Oil Market Report, August 12). Brent went from about $68 in early July to $113.48 on September 9. The tighter part of the barrel was the one freight runs on: US gasoil passed $200 a barrel in early September, 94% above pre-war levels, and Gulf refined product exports ran about 60% below February (IEA, September 11).