Trump's global tariffs are illegal, federal court rules. Here's why they'll remain in place.
1. Federal court ruled Trump's tariffs illegal but allowed them to remain. 2. Tariffs to stay in place pending likely appeal to the Supreme Court. 3. Court ruling indicates limits on executive power in trade policy. 4. Decision highlights ongoing trade tensions affecting the U.S. economy. 5. Uncertainty around tariffs could impact S&P 500 market performance.