shares of avalonbay communities inc avb shed 315 to 16202 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 096 to 380680 and the dow jones industrial average djia rising 131 to 3282700 this was the stocks fourth consecutive day of losses avalonbay communities inc closed 9703 below its 52week high 25905 which the company reached on march 29th the stock underperformed when compared to some of its competitors monday as equity residential eqr fell 175 to 6019 udr inc udr fell 169 to 3779 and essex property trust inc ess fell 222 to 20948 trading volume 13 m eclipsed its 50day average volume of 790252 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