Retirement Read Time: 3 min Choose Your Own Retirement Adventure Related Content Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Managing Your Lifestyle Using smart management to get more of what you want and free up assets to invest. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA.