US Steel shares surge 12% after Trump orders fresh review of Nippon Steel's bid
1. Trump directed a review of Nippon Steel's bid for US Steel. 2. Shares of US Steel surged 12% following the announcement. 3. Biden previously blocked the acquisition on national security grounds. 4. Nippon Steel claims the merger strengthens US economic security. 5. Companies sued CFIUS, alleging bias in the review process.