U.S. Steel ceases trading on the NYSE as Japan's Nippon finalizes takeover
1. U.S. Steel halted trading following Nippon Steel's acquisition. 2. Nippon Steel purchased U.S. Steel, making it a wholly owned subsidiary. 3. Trump's reversal on the acquisition follows Biden's earlier blockage. 4. NYSE confirmed U.S. Steel's delisting after acquisition completion. 5. The deal raises national security concerns amid political scrutiny.