shares of simon property group inc spg shed 044 to 12502 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 020 to 399097 and dow jones industrial average djia falling 114 to 3391085 this was the stocks second consecutive day of losses simon property group inc closed 2987 short of its 52week high 15489 which the company achieved on january 19th the stock underperformed when compared to some of its competitors tuesday as realty income corp o rose 106 to 6689 kimco realty corp kim rose 281 to 2195 and regency centers corp reg fell 002 to 6597 trading volume 20 m eclipsed its 50day average volume of 17 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