shares of avalonbay communities inc avb rallied 102 to 18791 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 115 to 437841 and the dow jones industrial average djia rising 063 to 3392674 this was the stocks second consecutive day of gains avalonbay communities inc closed 3251 below its 52week high 22042 which the company achieved on august 17th the stock underperformed when compared to some of its competitors tuesday as equity residential eqr rose 119 to 6523 udr inc udr rose 174 to 4221 and midamerica apartment communities inc maa rose 117 to 15145 trading volume 445277 remained 295095 below its 50day average volume of 740372 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