shares of lockheed martin corp lmt slipped 030 to 43081 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 057 to 415538 and the dow jones industrial average djia rising 026 to 3306150 this was the stocks fourth consecutive day of losses lockheed martin corp closed 4918 short of its 52week high 47999 which the company achieved on march 7th the stock demonstrated a mixed performance when compared to some of its competitors monday as boeing co ba fell 015 to 14861 northrop grumman corp noc fell 018 to 43862 and general dynamics corp gd fell 139 to 23325 trading volume 14 m remained 11 million below its 50day average volume of 25 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use