Under the Employee Retirement Income Security Act (ERISA), a fiduciary is required to:exercise the care and judgment that a prudent person would exercise pursuing similar objectives under the same circumstances. invest plan assets in funds that will generate a profit for the plan participants. discharge his or her duties solely in the interest of his or her employer rather than in the interest of the participants in the pension and welfare plans. invest an employee's contributions toward pension and welfare plans in an undiversified portfolio so as to limit the investment risk of the plans.