shares of avalonbay communities inc avb rallied 245 to 17402 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 033 to 415132 and the dow jones industrial average djia rising 030 to 3398718 avalonbay communities inc closed 8479 below its 52week high 25881 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as equity residential eqr rose 213 to 6132 udr inc udr rose 261 to 4127 and midamerica apartment communities inc maa rose 213 to 15019 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