shares of public storage psa slumped 094 to 29526 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 105 to 434572 and the dow jones industrial average djia rising 092 to 3431467 the stocks fall snapped a twoday winning streak public storage closed 3769 below its 52week high 33295 which the company achieved on september 8th the stock underperformed when compared to some of its competitors tuesday as extra space storage inc exr fell 024 to 16789 life storage inc lsi fell 029 to 11466 and ps business parks inc psb rose 021 to 16054 trading volume 883941 eclipsed its 50day average volume of 707409 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