shares of public storage psa slipped 110 to 30235 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 153 to 398637 and dow jones industrial average djia falling 172 to 3285646 the stocks fall snapped a threeday winning streak public storage closed 11941 below its 52week high 42176 which the company achieved on april 21st despite its losses the stock outperformed some of its competitors tuesday as extra space storage inc exr fell 209 to 16378 and cubesmart cube fell 113 to 4743 trading volume 579308 remained 403175 below its 50day average volume of 982483 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