shares of leidos holdings inc ldos inched 087 higher to 10778 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 143 to 399056 and the dow jones industrial average djia rising 158 to 3400504 leidos holdings inc closed 334 short of its 52week high 11112 which the company achieved on april 20th the stock demonstrated a mixed performance when compared to some of its competitors monday as raytheon technologies corp rtx rose 131 to 9956 lockheed martin corp lmt rose 057 to 48632 and northrop grumman corp noc rose 118 to 53518 trading volume 10 m eclipsed its 50day average volume of 749177 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