U.S. President Donald Trump threatened an "economic D-Day" against Iran, including new sanctions on any country doing business with Iran. Affected by this, U.S. stocks recorded their worst performance in three weeks on Thursday, with the Dow Jones Industrial Average falling 1.32% and the S&P 500 index falling 0.87%. Meanwhile, global crude oil prices rose, with Brent crude briefly breaking above $93/barrel and U.S. crude rising to $86.70/barrel. The U.S. 30-year government bond yield rose above 5.25%, nearing a 20-year high, reflecting investors' declining confidence in the U.S. economy. In addition, the total U.S. national debt surpassed $40 trillion for the first time this week, two years earlier than expected, partly attributed to war costs and corporate tax cuts. Previously, the critical Strait of Hormuz remained closed due to ongoing conflict, exacerbating uncertainty in global energy and financial markets.