Arizona Public Service Co., Phoenix, hired two managers and added four...

Arizona Public Service Co., Phoenix, hired two managers and added four funds to expand investment options of its $300 million 401(k) plan, said Jerry White, trust investment administrator. Vanguard will offer three lifestyle funds of varying risk levels. Templeton will offer an international fund. The company dropped a balanced fund managed by Fidelity. The changes expand the investment options to eight.