|Last Price||Today's Change||52-Week Range||Trading Volume|
|109.28||2.82 (+2.64%)||100.36 - 158.13||136.9 thousand (Below Avg)|
Market data as of 3:12PM 12/18/14. Quotes are delayed by at least 15 min.
ATK Supports Human Deep Space Exploration Milestone
12/05/2014 1:21 PM ET
ATK and Orbital Receive U.S. DOJ Clearance for Proposed Merger
12/04/2014 5:40 PM ET