Image source: Getty Images. In practice, using a price-weighted average to calculate a stock index means that the higher-priced stocks disproportionately influence the index's performance.

The consumer price index, or CPI ... Additionally, anyone can use the index to calculate buying power by adjusting historical values to see how they stack up in today’s dollars.

Get an overview of the most noticeable price changes for selected goods and services. The consumer price index is regularly revised and adapted to a new base year. With the results for the reference ...

FAIR can help determine whether futures are trading rich or cheap versus the index, a fundamental question when evaluating ...