"Alternative investments such as hedge funds, private real estate and commodities have historically been excluded from defined contribution plans. This trend is changing ... [They] are most appropriately included in [DC] plans through multi-asset funds such as target date funds and diversified core options, which reduces the potential for misuse by plan participants.... [A] specific fund may be appealing for institutional investors, but this doesn't always imply that the strategy can be modified in a way that makes it equally attractive for [DC] plans."