shares of public storage psa slipped 074 to 29712 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 059 to 402726 and the dow jones industrial average djia rising 028 to 3419406 the stocks fall snapped a threeday winning streak public storage closed 12464 below its 52week high 42176 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors wednesday as extra space storage inc exr fell 016 to 15649 and life storage inc lsi fell 099 to 10624 trading volume 11 m eclipsed its 50day average volume of 888699 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