Nippon Steel (OTCPK:NPSCY) and US Steel (NYSE:X) jointly filed an opening brief to try to save their more than $14.9 billion deal. The brief, filed in the U.S. Court of Appeals for the District of ...

Nippon Steel and U.S. Steel jointly filed their opening brief in court against former President Biden and others to invalidate what they said were unlawful actions over the companies' proposed merger.