shares of public storage psa shed 061 to 32442 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 028 to 411863 and dow jones industrial average djia falling 014 to 3279840 this was the stocks second consecutive day of losses public storage closed 9734 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 monday as extra space storage inc exr fell 027 to 18901 and life storage inc lsi fell 118 to 12440 trading volume 599448 remained 107686 below its 50day average volume of 707134 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