Nippon Yusen have a pretax loss of about 50 billion yen in the six months ended Sept. 30, 6 billion yen more than forecast, the report said. Kawasaki Kisen’s pretax loss was likely about 48 billion yen, 4 billion yen more than forecast, the report said. Mitsui O.S.K. Lines Ltd., another Japanese shipping line, may post a loss of 11 billion yen, the report said.