S&P downgrades NC KazMunaiGas' rating to junk

    By Sabina Amangeldi     On February 16, S&P lowered NC KazMunaiGas's long-term corporate credit ratings to BB+ from BBB-, with a negative outlook. This follows the sovereign rating downgrade by the agency a week ago.     The rating of NC KMG benefits from four notches of uplift thanks to 'extremely high' likelihood of...