It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents The Business Cycle How will you weather the ups and downs of the business cycle? The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Saving for College This calculator can help you estimate how much you should be saving for college.