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, ...

The Nasdaq-100 is a very different index than the S&P500. It is technology dominant, excludes financials by design, and is historically underweight in many of the old economy stocks in the energy and ...

With investments, volatility refers to changes in an asset's or market's price — especially as measured against its usual behavior or a benchmark. Volatility is often expressed as a percentage: If a ...

Although intraday volatility has been studied extensively for many asset classes, there are still important questions to be answered: Is the unconditional mean diurnal profile time-invariant? Does ...