Tariff and Hormuz risks rise

Two risks hit the same supply chain at once: a United States trade court is weighing President Donald Trump’s 10 percent global tariff as the United States moves to blockade ships tied to Iranian ports in the Strait of Hormuz. (apnews.com) A three-judge panel of the United States Court of International Trade heard arguments on Friday, April 10, over tariffs Trump imposed in February after the Supreme Court struck down his earlier emergency-based tariff program in February 2026. The new duties were imposed under Section 122 of the Trade Act of 1974, which allows temporary global tariffs of up to 15 percent for 150 days. (politico.com) Lawyers for 24 states and several small businesses told the court the administration is stretching a law written for balance-of-payments stress, not broad trade deficits. Judges pressed government lawyers on whether persistent trade gaps meet that standard, and gave no date for a ruling. (apnews.com) Those tariffs sit directly on imported hardware, components and finished consumer goods, so the court fight leaves importers unsure whether current pricing will hold through the spring. The duties are set to expire in July unless Congress extends them or the White House replaces them with another legal tool. (politico.com) At the same time, shipping risk rose in one of the world’s busiest oil chokepoints after talks in Islamabad ended without a ceasefire deal. Vice President JD Vance said no agreement was reached with Iranian negotiators, and President Trump said the United States would begin blockading ships entering or leaving Iranian ports on Monday, April 13, at 10 a.m. Eastern time. (cbsnews.com) The Strait of Hormuz is the narrow waterway linking the Persian Gulf to the open ocean, and tankers carrying crude oil, fuel and petrochemicals pass through it every day. New York Times reporting on Monday said shipping companies were already reluctant to sail through the strait as the blockade began and the rules remained unclear. (nytimes.com) That creates a second pricing threat for electronics and household goods: fuel costs can rise when Hormuz traffic is disrupted, and ocean freight gets more expensive when insurers and shipowners price in war risk. Importers can absorb some of that, but retailers often pass part of it through to buyers over weeks or months. (usatoday.com) The White House says the tariff program is a temporary bridge while it pursues other authorities for longer-lasting duties. Opponents say the administration is trying to rebuild a trade regime the Supreme Court already rejected, using a narrower statute with a 150-day clock. (politico.com) Markets now have to watch two calendars at once: a court decision in New York and military moves in the Gulf. If either one shifts quickly, the next changes may show up first in freight quotes, fuel bills and the sticker prices on imported tech. (apnews.com)