The Fourth Circuit affirmed Aon Hewitt Investment Consulting’s trial victory in a 250,000-member class action suit alleging that Aon breached ERISA’s fiduciary duties.

Aon was initially the Lowe’s 401(k) plan’s investment advisor and later was engaged as the plan’s 3(38) delegated fiduciary. The plaintiffs’ fiduciary breach claims alleged that, after being retained as a delegated…