Cliffs Natural Resources (CLF +6.8%) bursts higher at the open after the United Steelworkers of...

|About: Cliffs Natural Resources Inc. (CLF)|By:, SA News Editor

Cliffs Natural Resources (CLF +6.8%) bursts higher at the open after the United Steelworkers of America says the union agreed to continue working beyond a Sept. 1 contract deadline and return to the bargaining table on Oct. 8. At U.S. Steel (X), labor talks earlier this week resulted in a temporary three-year contract; talks continue at ArcelorMittal (MT).