CHICAGO--(BUSINESS WIRE)--Fitch Ratings has downgraded the Long-term Foreign and Local currency Issuer Default Ratings (IDRs) for Companhia Siderurgica Nacional (CSN) to 'B+' from 'BB'. In conjunction with these downgrades, Fitch has assigned a recovery rating of 'RR4' to the securities that have been issued or guaranteed by CSN. Fitch has also...
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