Fifth Third Bancorp v. Dudenhoeffer
Fifth Third Bancorp v. Dudenhoeffer, 573 U.S. 409 (2014), was a United States Supreme Court case in which the court found Employee stockownership (ESOP) fiduciaries have the same prudential duties as non-ESOP fiduciaries, as set by ERISA, except that they are not required to diversify their investments beyond shares of the employer's stock.
Source: Wikipedia — Fifth Third Bancorp v. Dudenhoeffer (CC BY-SA 4.0)