Annabelle Farmer January 22, 2021 ArcelorMittal [NYSE: MT] jumped around 1.29 points on Wednesday, while shares priced at $31.48 at the close of the session, up 4.27%. The company report on July 20, 2021 that ArcelorMittal celebrates industry-first with ResponsibleSteel site certifications. 20 July 2021 15:55 CET. ArcelorMittal announces that it has achieved ResponsibleSteel™ site certification in Belgium, Germany and Luxembourg. The company’s steelmaking sites in ArcelorMittal Belgium (Geel, Genk, Gent and Liège), Luxembourg (Belval, Differdange and Rodange) and Germany (Bremen and Eisenhüttenstadt) are the first steel plants globally to be independently audited and found to meet the standards required for ResponsibleSteel, the industry’s first global multi-stakeholder standard and certification initiative.