Jane Bond: Decoding Diversification Agent Jane Bond is on the case, discovering how bonds diversify a portfolio. Share | Related Content Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Mutual Funds vs. ETFs Exchange-traded funds have some things in common with mutual funds, but there are differences, too. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.