Investment of funds; prudent investor rule.

Except as may be otherwise provided in section 8-318, or otherwise provided by law or by the instrument creating the fiduciary relationship involved, each and every trustee, guardian, conservator, executor, or administrator, whether appointed by the courts of this state, or acting under authority other than a court appointment, having funds for investment shall comply with the prudent investor rule set forth in sections 30-3883 to 30-3889.