US Steel gains on reports it won an extension for US review of Nippon Steel

Phynart Studio US Steel ( NYSE: X ) rose 2.2% in after hours trading on reports that it won an extension to the U.S.

national security review of its planned $14 billion sale to Nippon Steel ( OTCPK:NISTF ). The extension allows Nippon Steel ( OTCPK:NISTF ) to withdrawal and.