shares of public storage psa rose 128 to 30142 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 143 to 399056 and the dow jones industrial average djia rising 158 to 3400504 public storage closed 12034 below its 52week high 42176 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as extra space storage inc exr rose 130 to 15862 and cubesmart cube rose 084 to 4332 trading volume 983900 eclipsed its 50day average volume of 909174 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