Investments You’ve made investments your whole life. Work with us to help make the most of them. Related Content 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification.