Cosan Crisis Contagion Hits Rumo as S&P Cuts Rating

Brazil · Business Key Facts —Cosan downgraded. Moody’s cut Cosan to Ba3 from Ba2 on 24 February 2026 and placed it under review for further downgrade. —Rumo hit by S&P. S&P lowered Rumo to BB- from BB on 6 March 2026, explicitly citing Cosan’s rating as a binding constraint. —Raízen deepens the crisis. Cosan’s energy…