shares of pinnacle west capital corp pnw inched 045 higher to 7074 friday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 192 to 386316 and the dow jones industrial average djia rising 215 to 3128826 this was the stocks second consecutive day of gains pinnacle west capital corp closed 1613 below its 52week high 8687 which the company achieved on july 16th the stock demonstrated a mixed performance when compared to some of its