shares of keysight technologies inc keys slid 165 to 17748 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 110 to 448273 and dow jones industrial average djia falling 089 to 3471539 this was the stocks third consecutive day of losses keysight technologies inc closed 3160 short of its 52week high 20908 which the company achieved on december 30th the stock underperformed when compared to some of its competitors thursday as national instruments corp nati rose 074 to 4066 ametek inc ame fell 160 to 13662 and danaher corp dhr fell 142 to 28296 trading volume 13 m eclipsed its 50day average volume of 11 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