shares of iron mountain inc irm slipped 186 to 5276 friday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 021 to 413764 and dow jones industrial average djia falling 042 to 3388647 this was the stocks second consecutive day of losses iron mountain inc closed 585 below its 52week high 5861 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors friday as prologis inc pld fell 177 to 11976 international business machines corp ibm rose 019 to 12814 and digital realty trust inc dlr fell 234 to 8978 trading volume 11 m remained 355007 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