shares of leidos holdings inc ldos slid 168 to 10413 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 120 to 378322 and dow jones industrial average djia falling 110 to 3287571 the stocks fall snapped a twoday winning streak leidos holdings inc closed 699 below its 52week high 11112 which the company reached on april 20th the stock underperformed when compared to some of its competitors wednesday as raytheon technologies corp rtx fell 052 to 9914 lockheed martin corp lmt fell 047 to 48322 and northrop grumman corp noc fell 014 to 54041 trading volume 311389 remained 508819 below its 50day average volume of 820208 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