美国军工企业诺斯罗普·格鲁曼下调盈利预期

Core Viewpoint - Northrop Grumman, a U.S. defense contractor, has lowered its earnings forecast for the year due to rising costs associated with the next-generation B-21 stealth bomber, resulting in a significant drop in first-quarter profits [1] Financial Performance - The company reported a 47% decline in earnings per share for the first quarter, primarily attributed to new loss provisions related to the B-21 program [1] - Following the announcement, Northrop Grumman's stock price fell nearly 10% in pre-market trading [1]