What is another word for share index?
Pronunciation: [ʃˈe͡əɹ ˈɪndɛks] (IPA) 
Share index is a term used in finance to refer to a measure of the performance of a group of securities traded on a stock exchange. Alternative names for share index include stock market index, benchmark index, and equity index. Other synonyms include market index, composite index, and stock exchange index. In the United States, the most commonly referred to share index is the S&P 500, while in the United Kingdom, the FTSE 100 is the most well-known share index. Share indices are useful for investors as they provide a benchmark for measuring the performance of their investments and for tracking changes in the market.
