shares of avalonbay communities inc avb slid 232 to 18499 thursday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 037 to 438189 and the dow jones industrial average djia falling 001 to 3394671 this was the stocks third consecutive day of losses avalonbay communities inc closed 3543 below its 52week high 22042 which the company achieved on august 17th the stock demonstrated a mixed performance when compared to some of its competitors thursday as equity residential eqr fell 203 to 6418 udr inc udr fell 292 to 4121 and midamerica apartment communities inc maa fell 173 to 14909 trading volume 617113 remained 135120 below its 50day average volume of 752233 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