National Steel Company shares rise 1.33% intraday after the White House blocked U.S. Steel's decision to stop processing raw steel at Granite City Works plant.

National Steel Company rose 1.33% intraday, with the White House intervening to block U.S. Steel's decision to stop processing raw steel at its Granite City Works plant in Illinois. This intervention, under a national security agreement with Nippon Steel, ensures continued domestic steel production, which is positive for the steel industry and National Steel Company.