All of the education 401(k) plan participants have been receiving has...

All of the education 401(k) plan participants have been receiving has raised their investment performance expectations, perhaps to unreasonable levels, a survey by Twentieth Century Mutual Funds shows. While 32% of 401(k) participants said they expect returns of between 10% and 14% annually during the next five years, only 20% of non-401(k) participants expect the same returns. The survey also found 12% of 401(k) plan investors expect annual returns between 15% and 19%.