Note: This article is part of Morningstar's 2019 Portfolio Tuneup week. A version of this article appeared on Jan. 23, 2018.
Professional asset-allocation guidance has never been easier or cheaper to obtain. Target-date funds, with stock/bond mixes informed by professional asset allocators, have emerged as the default investment choice for most defined-benefit plans. Target-date fund assets crossed the $1 trillion threshold in 2018.