Northrop Grumman (NOC -0.8%) trades lower after BofA Merrill Lynch cut the shares to...

|About: Northrop Grumman Corporation (NOC)|By:, SA News Editor

Northrop Grumman (NOC -0.8%) trades lower after BofA Merrill Lynch cut the shares to Underperform, citing the defense contractor's disappointing FY12 guidance yesterday.