shares of boston properties inc bxp slid 035 to 7064 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 039 to 394994 and dow jones industrial average djia falling 013 to 3370028 boston properties inc closed 6247 below its 52week high 13311 which the company reached on march 29th the stock underperformed when compared to some of its competitors monday as digital realty trust inc dlr rose 012 to 11059 and vornado realty trust vno rose 079 to 2417 trading volume 15 m remained 133591 below its 50day average volume of 16 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