shares of gartner inc it rose 294 to 26854 thursday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 184 to 417682 and the dow jones industrial average djia rising 133 to 3324828 the stocks rise snapped a twoday losing streak gartner inc closed 10046 short of its 52week high 36900 which the company reached on november 2nd the stock outperformed some of its competitors thursday as nielsen holdings plc nlsn rose 094 to 2567 and forrester research inc forr rose 037 to 5222 trading volume 490636 remained 70562 below its 50day average volume of 561198 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