A stock index, often referred to simply as an "index," is a statistical measure that represents the performance of a specific segment of the stock market. It serves as a composite indicator, tracking ...

Financial markets are taking a nosedive for the second straight day amid global panic and investor anxiety over Donald Trump’s implementation of broad tariffs on foreign imports. Economists are ...

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 gauge ...