Defense contractor Northrop Grumman Corporation reported fourth-quarter sales of $10 billion, a 16% year-over-year increase. Full-year sales were up 3% YoY to $36.6 billion. WHY IT MATTERS: Northrop’s (NYSE: NOC) Space Systems business was its fastest-growing segment of the quarter, with the company reporting sales of $3.3 billion, a 23% YoY jump. Northrop’s contracts from […]