The gross domestic product (GDP) of a nation is an estimate of the total value of all the goods and services it produces during a specific period, usually a quarter or a year. Its greatest use is as a ...

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 ...

GDP is the common measure of economic performance. Under ideal conditions, GDP growth implies an overall improvement in the economy’s performance. However, nearly half of GDP is produced in sectors ...