Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

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How to calculate conditional running totals in an Excel revenue sheet Your email has been sent Adding a running total to a simple Microsoft Excel revenue sheet isn't difficult, but adding a ...

Volatility is troublesome for many investors. Value changes in your stocks, your portfolio, or an index can keep you up at night -- or worse, push you to make emotional decisions you later regret.