shares of gartner inc it inched 072 higher to 24437 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 115 to 385443 and dow jones industrial average djia falling 052 to 3117384 gartner inc closed 12463 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 156 to 2335 and forrester research inc forr fell 108 to 4656