$Pinnacle West Capital Corporation(PNW)$ 8-K - Current report: i Filed: 2017-08-03 AccNo: 0000764622-17-000054 Size: 3 MBItem 1.01: Entry into a Material Definitive AgreementItem 2.02: Results of Operations and Financial ConditionItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance 网页链接