shares of pinnacle west capital corp pnw rallied 124 to 7537 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 295 to 420109 and dow jones industrial average djia falling 237 to 3281738 this was the stocks fourth consecutive day of gains pinnacle west capital corp closed 1317 short of its 52week high 8854 which the company reached on may 10th the stock outperformed some of its competitors monday as xcel energy inc xel rose 041 to 7155 edison international eix rose 091 to 6619 and idacorp inc ida rose 027 to 11105 trading volume 16 m eclipsed its 50day average volume of 876805 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