In acquiring, investing, reinvesting, exchanging, retaining, selling, and managing property held in a fiduciary capacity, other than trusts subject to the prudent investor rule as set forth in the Arkansas Trust Code, § 28-73-101 et seq., the fiduciary shall exercise the judgment and care under the circumstances then prevailing which persons of prudence, discretion, and intelligence exercise in the management of their own affairs, not in regard to speculation, but in regard to the permanent disposition of their funds, considering the probable income as well as the probable safety of their capital.