WSJ’s Gwynn Guilford explains how the consumer-price index works and what it can tell you about inflation. Illustration: Jacob Reynolds Home Browse Series Live Q&A WSJ Events From Sponsors WSJ.com ...

The year-over-year increase was 2.4%. The consumer price index, or CPI, measures the change in average prices paid by consumers for a set of goods and services that represent regular expenses ...

and sales tax is included in its component prices The producer price index (PPI), on the other hand, measures the cost of goods and services when they first leave their origin—when they are sold ...

You can calculate standard deviation of an asset ... are significantly above or below average. In reality, stock prices and index values can have asymmetrical distributions. They can stay ...

Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated history of working in both institutional and retail environments, from broker-dealers ...

The GDP price deflator is a more comprehensive inflation measure than the Consumer Price Index (CPI), which measures the price changes in a fixed basket of goods. Investopedia / Laura Porter To ...

The index measures market momentum by comparing the ... momentum is negative—a signal of investor fear. The stock price strength element of the index compares the number of NYSE stocks trading ...