What is an index? It’s hard to say these days. An index used to be a broad measure of market value. Today, it appears to mean any list of securities that are configured and managed in any way. This ...

Index funds are mutual funds that seek only to mirror the performance of an underlying stock market index — not to outperform it. Millions of investors hold them in their portfolios because they ...

Index futures are futures contracts where the underlying asset is a stock index. These financial derivatives allow investors to buy or sell the future value of a stock index at a predetermined price ...

Usually refers to indices constructed by Morgan Stanley Capital International such that the market capitalization weights reflect the degree to which a stock is investible by foreigners. For example, ...