A rule that aimed to raise investment-advice protections for retirement savers has died in court — now, effectively, for the second time . Some legal experts said the outcome could lead unwary retirement investors to receive investment advice that's not in their best interests, and cause confusion about the legal obligations that brokers, insurance agents and other financial intermediaries owe to retail investors. The undoing of the so-called "fiduciary" rule, issued by the Biden-era Department