CompaniesAmerican company drives group earnings, CFO saysNippon Steel raised its full-year net profit forecast by 32% to $1.84 billion in the financial year to March 2027. © ReutersAugust 5, 2026 01:52 JSTTOKYO (Reuters) -- Japan's top steelmaker Nippon Steel on Tuesday raised its full-year net profit forecast by 32% to 290 billion yen ($1.84 billion), citing stronger earnings at U.S. Steel amid a firmer U.S. steel market.Nippon Steel posted a 75.3 billion yen net profit for the April-June first quarter, compared with a 195.83 billion yen net loss a year earlier, when it booked a hefty one-off loss related to the sale of its stake in the AM/NS Calvert joint venture."U.S. Steel drove our group earnings," Nippon Steel Chief Financial Officer Takahiko Iwai told a news conference, adding that measures to improve quality and operational efficiencies at U.S. Steel after its acquisition also contributed to higher profits at the U.S. unit.Nippon Steel raised its underlying business profit forecast for U.S. Steel in the financial year to March 2027 to 180 billion yen or more, from its May prediction of 100 billion yen or more.