shares of pinnacle west capital corp pnw slumped 034 to 7511 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 020 to 399097 and dow jones industrial average djia falling 114 to 3391085 this was the stocks third consecutive day of losses pinnacle west capital corp closed 549 short of its 52week high 8060 which the company achieved on december 14th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as nextera energy inc nee rose 125 to 8574 southern co so fell 038 to 7005 and dominion energy inc d fell 064 to 6252 trading volume 764561 remained 151678 below its 50day average volume of 916239 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