Nippon Steel and U.S. Steel filed a federal lawsuit challenging the Biden administration's decision to block a proposed nearly $15 billion deal for Nippon to acquire Pittsburgh-based U.S. Steel..

U.S. Steel and Nippon Steel filed lawsuits on Monday over President Joe Biden's decision to stop the Japanese company's proposed nearly $15 billion takeover of its Pittsburgh-based rival.

Nippon Steel Corporation and U.S. Steel on Monday filed a federal lawsuit challenging the Biden administration's decision to block Nippon's proposed $15 billion acquisition of the Pittsburgh-based ...