shares of keysight technologies inc keys shed 090 to 16446 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 113 to 385593 and dow jones industrial average djia falling 101 to 3070623 keysight technologies inc closed 4462 short of its 52week high 20908 which the company achieved on december 30th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as national instruments corp nati fell 023 to 3979 ametek inc ame fell 139 to 11886 and danaher corp dhr fell 164 to 27437 trading volume 582992 remained 267302 below its 50day average volume of 850294 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