Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Share | Related Content Jane Bond: Decoding Diversification Agent Jane Bond is on the case, discovering how bonds diversify a portfolio. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.