Brazilian energy-to-rail group Cosan narrowed its Q4 adjusted loss by 56% and halved expanded net debt, while its logistics arm Rumo doubled fourth-quarter adjusted net profit.

Brazilian energy-to-rail group Cosan narrowed its Q4 adjusted loss by 56% and halved expanded net debt, while its logistics arm Rumo doubled fourth-quarter adjusted net profit.

S&P downgraded Rumo to BB- and placed it on CreditWatch Negative, citing contagion from controlling shareholder Cosan, which Moody's cut to Ba3 in.