shares of gartner inc it rallied 210 to 31446 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 040 to 429714 and the dow jones industrial average djia rising 045 to 3391244 this was the stocks second consecutive day of gains gartner inc closed 5454 below its 52week high 36900 which the company achieved on november 2nd the stock outperformed some of its competitors monday as nielsen holdings plc nlsn fell 007 to 2756 and forrester research inc forr rose 062 to 4524 trading volume 577351 eclipsed its 50day average volume of 436993 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