What is your risk tolerance?
The page at russellinvestments.com says:
You are now leaving RussellInvestments.com. The following link may contain information concerning investments other than those offered by Russell Investments, its affiliates or subsidiaries. Neither Russell Investments nor its affiliates are responsible for investment decisions made with respect to such investments or for the accuracy or completeness of information about such investments. The material available on this site has been produced by independent providers that are not affiliated with Russell Investments. Descriptions of, references to, or links to products or publications within any linked web site does not imply endorsement of that product or publication by Russell Investments. Any opinions or recommendations expressed are solely those of the independent providers and are not the opinions or recommendations of Russell Investments, which is not responsible for any inaccuracies or errors.