Expect lower portfolio returns in the future

"There is a 0% chance of getting a 5% annualized return over the next 10 years in a balanced fund of 60% stocks and 40% bonds, according to a report from Research Affiliates. Target-date funds have only a slightly better chance, with a target-date fund with 10 years to retirement having only a 6% chance of achieving 5% a year, the report found."  Suzanne Woolley summarizes the study results in

"The Next 10 Years Will Be Ugly for Your 401(k)" available at: http://www.bloomberg.com/news/articles/2016-10-26/the-next-10-years-will-be-ugly-for-your-401-k