shares of general dynamics corp gd slumped 086 to 21815 friday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 110 to 391664 and dow jones industrial average djia falling 119 to 3186198 general dynamics corp closed 3871 below its 52week high 25686 which the company achieved on december 2nd despite its losses the stock outperformed some of its competitors friday as raytheon technologies corp rtx fell 238 to 9575 boeing co ba fell 105 to 20105 and lockheed martin corp lmt fell 156 to 46587true trading volume 24 m eclipsed its 50day average volume of 12 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