shares of iron mountain inc irm inched 025 higher to 6092 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 070 to 446771 and dow jones industrial average djia falling 054 to 3512336 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 wednesday as prologis inc pld fell 066 to 12260 international business machines corp ibm fell 122 to 14249 and digital realty trust inc dlr rose 017 to 11931 trading volume 13 m remained 306408 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