shares of udr inc udr rallied 229 to 4197 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 025 to 407056 and the dow jones industrial average djia rising 008 to 3397808 this was the stocks second consecutive day of gains udr inc closed 1804 short of its 52week high 6001 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors friday as avalonbay communities inc avb rose 235 to 17752 equity residential eqr rose 182 to 6336 and midamerica apartment communities inc maa rose 148 to 16495 trading volume 28 m eclipsed its 50day average volume of 22 m 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