shares of general dynamics corp gd sank 034 to 21210 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 189 to 451555 and the dow jones industrial average djia rising 117 to 3513186 the stocks fall snapped a twoday winning streak general dynamics corp closed 260 below its 52week high 21470 which the company achieved on january 10th 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