Moody’s Investors Service cut the probability of default rating on Naftogaz of Ukraine from ‘Ca’ to ‘Ca/LD’, it said yesterday in a statement. According to Moody’s, the move reflects a default by Naftogaz on its USD 500 mln Eurobonds that matured on September 30. Moody’s maintained Naftogaz’ foreign currency corporate family and debt ratings at ‘Caa2’.