shares of pinnacle west capital corp pnw slid 138 to 7718 friday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 003 to 453543 and dow jones industrial average djia falling 021 to 3536909 the stocks fall snapped a threeday winning streak pinnacle west capital corp closed 1470 short of its 52week high 9188 which the company achieved on november 11th the stock underperformed when compared to some of its competitors friday as xcel energy inc xel fell 074 to 6980 edison international eix fell 081 to 5865 and idacorp inc ida fell 034 to 10709 trading volume 525717 remained 209731 below its 50day average volume of 735448 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