The UV Index measures the ultraviolet radiation coming from the sun. There are three primary types of UV radiation: ...

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air temperature. Since heat index values were devised for shady, light wind ...

The VIX index, often called the “fear gauge,” is a powerful tool for investors, whether you’re just starting out or have been managing your portfolio for years. Understanding the VIX can help you ...

A drug’s therapeutic index is a ratio that doctors use when prescribing medications and determining dosage. It shows how much of a drug a person’s blood can contain before it becomes toxic. The ...

Buy low, sell high. The trend is your friend. Sell in May and go away. Wall Street is teeming with familiar financial adages. But there’s one you may not have heard of: “When the VIX is high, it’s ...

What Is an Index Fund? An index fund is a type of investment fund with a portfolio built to track or match financial market index components, such as the Standard & Poor's 500 Index (S&P 500).