shares of keysight technologies inc keys rallied 384 to 14037 tuesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 202 to 408885 and the dow jones industrial average djia rising 134 to 3265459 keysight technologies inc closed 6871 below its 52week high 20908 which the company achieved on december 30th the stock outperformed some of its competitors tuesday as national instruments corp nati rose 107 to 3386 ametek inc ame rose 098 to 12145 and danaher corp dhr rose 106 to 24897 trading volume 16 m eclipsed its 50day average volume of 10 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