shares of essex property trust inc ess sank 011 to 21078 thursday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 133 to 414622 and the dow jones industrial average djia rising 114 to 3402969 this was the stocks second consecutive day of losses essex property trust inc closed 15258 short of its 52week high 36336 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors