shares of leidos holdings inc ldos sank 046 to 10471 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 040 to 382414 and dow jones industrial average djia falling 003 to 3313637 the stocks fall snapped a twoday winning streak leidos holdings inc closed 641 short of its 52week high 11112 which the company reached on april 20th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as raytheon technologies corp rtx fell 011 to 10081 lockheed martin corp lmt fell 184 to 47753 and northrop grumman corp noc fell 097 to 54033 trading volume 687881 remained 121183 below its 50day average volume of 809064 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