shares of simon property group inc spg slipped 587 to 11367 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 404 to 392368 and dow jones industrial average djia falling 357 to 3149007 the stocks fall snapped a fourday winning streak simon property group inc closed 5745 below its 52week high 17112 which the company achieved on november 18th the stock underperformed when compared to some of its competitors wednesday as alexandria real estate equities inc are fell 455 to 15800 and vornado realty trust vno fell 423 to 3418 trading volume 20 m remained 81594 below its 50day average volume of 21 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