The announcement from US President Donald Trump on Truth Social regarding 'very good and productive conversations' with Iran initiated one of the most significant market turnarounds of 2026. Within minutes of the post, Dow futures skyrocketed by over 1,000 points, S&P 500 futures rose by 2.7 percent, and oil prices plummeted by 6 percent. Before this news, the S&P 500 had experienced a 6 percent decline since the onset of the Iran-US conflict on February 28, with the Cboe VIX fear index exceeding 30. Ultimately, the Dow finished the day with a gain of 631 points. This turnaround highlighted the influence of Iran-related news on global market trends.
