How Stocks Work Full Size Version Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.