10-Feb-2011 12:42 PMNorthrop Grumman revenue down 3.6% in 4Q2010Northrop Grumman reports (09-Feb-2011) the following financial highlights: 3 months ended Dec-2010: Sales: USD8,607 million, -3.6% year-on-year; Operating income: USD788 million, +24.9%; Net earnings: USD376 million, -9%; 12 months ended Dec-2010: Sales: USD34,757 million, +3.0%; Operating income: USD3,070 million, +23.6%; Net earnings: USD2,053 million, +21.8%. [more]