Indexes represent baskets of financial assets, gauging overall market performance. Index funds allow passive investment at low costs, popular for matching market returns. Understanding indexes helps ...

The Consumer Price Index “is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services,” according to the Bureau of Labor ...

The monthly publication of price changes in consumer goods and services. Price developments are presented as index numbers. The annual rate of change is calculated as the percentage change of the ...

Weather forecasts usually include a UV index, a measure of the intensity of ultraviolet radiation from the sun. The higher the number, the greater the risk to people. Most of the radiation that ...

The UV index measures the strength of the sun's ultraviolet (UV) radiation. The index ranges from 0 to 11, with higher numbers indicating greater risk of sunburn and skin damage. Protective measures, ...