Global Markets And U.S. Futures Tumble As Trump Says Tariffs Will Target ‘All Countries'

1. Global markets fell as Trump plans sweeping tariffs starting April 2. 2. S&P 500 futures dropped nearly 1% amid worldwide market decline. 3. Trump confirmed no exceptions for his reciprocal tariffs on all countries. 4. Nikkei 225 index dropped over 4%, signaling global market fears. 5. Investors are concerned about trade tensions affecting economic stability.