shares of public storage psa slid 152 to 34109 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 022 to 412873 and dow jones industrial average djia falling 047 to 3290959 this was the stocks fourth consecutive day of losses public storage closed 8067 short of its 52week high 42176 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as extra space storage inc exr fell 162 to 20564 and life storage inc lsi fell 093 to 13308 trading volume 611075 remained 71490 below its 50day average volume of 682565 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