shares of essex property trust inc ess slid 105 to 23183 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 093 to 433893 and the dow jones industrial average djia rising 056 to 3406633 essex property trust inc closed 6850 below its 52week high 30033 which the company reached on august 16th the stock underperformed when compared to some of its competitors monday as avalonbay communities inc avb fell 041 to 18753 equity residential eqr fell 080 to 6565 and udr inc udr fell 016 to 4248 trading volume 285160 remained 98895 below its 50day average volume of 384055 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