More Companhia Siderurgica Nacional news Companhia Siderurgica NacionalBMFBOVESPA: CSNA3 S&P downgrades Brazil's CSN to 'B' from 'B+'; outlook 'negative' Mar 18, 2026 at 10:05 PM UTC · Issued by Companhia Siderurgica Nacional As issuedPlain English Watch Companhia Siderurgica Nacional explain it↗Companhia Siderurgica Nacional S.A. (SID) Q2 2026 Earnings Call · Replay · Aug 13Companhia Siderurgica Nacional SA BMFBOVESPA:CSNA3:S&P DOWNGRADES CSN TO 'B' FROM 'B+'; OUTLOOK 'NEGATIVE' Company analysis