shares of public storage psa slid 034 to 32487 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 095 to 397873 and the dow jones industrial average djia rising 060 to 3212028 the stocks fall snapped a fourday winning streak public storage closed 9689 below its 52week high 42176 which the company achieved on april 21st despite its losses the stock outperformed some of its competitors wednesday as extra space storage inc exr fell 155 to 17245 life storage inc lsi fell 049 to 11257 and ps business parks inc psb fell 037 to 18710true trading volume 11 m eclipsed its 50day average volume of 779433 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