With the heat of summer upon us, we hear a lot about the heat index in our weather forecasts these days. But what exactly is the heat index and how is it calculated? "It's kind of the summer version ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Laura Porter / Investopedia The cost of living refers to the ...

To calculate a price-weighted average, sum the stock prices and divide by the number of stocks. This average reflects changes in higher-priced stocks more than lower-priced ones. Use price-weighted ...

Net present value and the profitability index are helpful tools that allow investors and companies make decisions about where to allocate their money for the best return. Net present value tells us ...

Patchwork Nation’s hardship index captures recent economic changes as well as current economic conditions in individual counties based on a series of data indicators. The hardship index is calculated ...