Mealey's (June 6, 2019, 10:16 AM EDT) -- ST. LOUIS — The Eighth Circuit U.S. Court of Appeals on June 4 affirmed a district court’s dismissal of a plan participant’s complaint, agreeing with the district court that the plan participant’s breach of prudence allegation against a company’s retirement plan is foreclosed by U.S. Supreme Court precedent (Alexander Y. Usenko v. SunEdison Semiconductor LLC, et al., No. 18-1626, 8th Cir., 2019 U.S. App. LEXIS 16782)....