A typical 401(k) plan offers fewer investment choices than a decade ago, while plan participants are now more likely to put all of their 401(k) account dollars into a single, diversified fund, tailored to their expected retirement date, new research from financial services firms shows.In its

third-quarter 2020 retirement report, Fidelity Investments said that the largest corporate defined contribution plans it administers
now offer fewer than 16 investment options in their lineup, down from