shares of iron mountain inc irm rose 187 to 6092 friday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 053 to 447803 and dow jones industrial average djia falling 043 to 3506562 iron mountain inc closed 196 short of its 52week high 6288 which the company achieved on july 27th the stock outperformed some of its competitors friday as prologis inc pld fell 127 to 12224 international business machines corp ibm fell 015 to 14424 and digital realty trust inc dlr fell 074 to 11996 trading volume 12 m remained 345733 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