Dow futures drop and oil jumps as first day of U.S.-Iran talks sees Trump threaten Tehran on Hormuz: ‘You close it and you won’t have a country’

U.S. stock futures fell and oil prices rose as U.S.-Iran talks began with President Trump threatening Iran over the Strait of Hormuz. Both sides agreed to a 60-day negotiation period but tensions persist over Lebanon and the strait's reopening.