But have you ever wondered why these particular indexes dominate financial discussions, shaping investor sentiment and often serving as shorthand for the entire U.S. stock market? These three ...

Joseph Nguyen is a contributing author at Investopedia and a research analyst with experience at a securities brokerage firm. Thomas J Catalano is a CFP and Registered Investment Adviser with the ...

Investors can use more than one stock market index to measure how they think a particular economy or market is fairing. Some of the indexes compare the average prices of its stocks in order to ...