NasdaqNorthrop Grumman Announces Orbital ATK Buyout for $9.2BNasdaqNorthrop Grumman CorporationNOC announced that it has settled the acquisition deal with Orbital ATK OA for $9.2 billion. Out of the total amount, the former will pay approximately $7.8 billion in cash and the assumption of $1.4 billion in net debt.and more »