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 What Smart Investors Know Smart investors take the time to separate emotion from fact. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.