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 Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA.