A Defense Sector Pair Trade From Goldman Sachs By: Benzinga via Benzinga September 08, 2015 at 13:04 PM EDT Harris Corporation (NYSE: HRS) gained 5.7 percent year-to-date, while Orbital ATK Inc (NYSE: OA) and L-3 Communications Holdings, Inc. ... Read More >> Related Stocks: Harris Corp L-3 Communications Holdings Lockheed Martin Northrop Grumman Orbital ATK, Inc. Common Stock