|Last Price||Today's Change||52-Week Range||Trading Volume|
|109.99||0.00 (0.00%)||100.36 - 158.13||1.3 thousand (Below Avg)|
Market data as of 12:00AM 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