Northrop Grumman (NOC 8.93%) posted better-than-expected quarterly results and raised full-year guidance. Investors were pleased, sending Northrop shares up 8% as of 1 p.m. ET. Strong sequential growthNorthrop Grumman is an aviation and space-focused defense contractor with roles on key programs that are Pentagon priorities. The company earned $8.15 per share in the most recent quarter on revenue of $10.4 billion, topping Wall Street's $6.84 per share on $10 billion consensus estimate.The beat included a $1 ...