shares of iron mountain inc irm rose 297 to 4896 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 000 to 468280 and dow jones industrial average djia falling 004 to 3608745 iron mountain inc closed 062 below its 52week high 4958 which the company reached on september 3rd the stock outperformed some of its competitors monday as fiserv inc fisv rose 101 to 10184 automatic data processing inc adp rose 092 to 23306 and equifax inc efx rose 081 to 28237 trading volume 17 m eclipsed its 50day average volume of 15 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