shares of iron mountain inc irm shed 106 to 5319 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 003 to 413613 and dow jones industrial average djia falling 046 to 3408927 the stocks fall snapped a twoday winning streak iron mountain inc closed 542 short of its 52week high 5861 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as prologis inc pld fell 121 to 12773 international business machines corp ibm fell 098 to 13601 and digital realty trust inc dlr fell 012 to 11283 trading volume 795138 remained 636680 below its 50day average volume of 14 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