shares of avalonbay communities inc avb shed 042 to 19463 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 059 to 395990 and the dow jones industrial average djia rising 015 to 3187484 avalonbay communities inc closed 6442 below its 52week high 25905 which the company reached on march 29th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as equity residential eqr fell 055 to 7217 udr inc udr fell 002 to 4542 and essex property trust inc ess rose 059 to 26817 trading volume 441185 remained 363577 below its 50day average volume of 804762 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