shares of avalonbay communities inc avb slid 081 to 15732 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 016 to 397127 and dow jones industrial average djia falling 012 to 3239425 the stocks fall snapped a twoday winning streak avalonbay communities inc closed 10173 short of its 52week high 25905 which the company achieved on march 29th the stock underperformed when compared to some of its competitors tuesday as equity