Washington Federal, Inc, parent company of Washington Federal Bank, “WaFd Bank” announced the results of its annual customer survey achieving the highest net promoter score to date of 57. The survey was answered by more than 18,000 bank clients, a 9 percent response rate, in late July. The Bank’s net promoter score over the past several years ranged from 44 to 51, which is still in the top tier of the banking industry. Net Promoter...