U.S. Steel and Nippon Steel filed a pair of lawsuits Monday accusing President Biden, the president of the steelworkers union and the chief executive of a rival company of conspiring to scuttle ...

An asset manager, Ancora, is challenging Nippon Steel's proposed takeover of U.S. Steel, calling for new leadership at the steelmaker after acquiring a small stake in the company. U.S. Steel is one of ...