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The S&P 500 is a stock market index maintained by S&P Dow Jones Indices.It comprises 503 common stocks which are issued by 500 large-cap companies traded on American stock exchanges (including the 30 companies that compose the Dow Jones Industrial Average).
A daily volume chart of the S&P 500 index from January 3, 1950, to February 19, 2016. Logarithmic Chart of S&P 500 Index with and without Inflation and with Best Fit and other graphs to Feb 2024. The Standard and Poor's 500, or simply the S&P 500, [ 5] is a stock market index tracking the stock performance of 500 of the largest companies listed ...
Capitalization-weighted index. A capitalization-weighted (or cap-weighted) index, also called a market-value-weighted index is a stock market index whose components are weighted according to the total market value of their outstanding shares. Every day an individual stock's price changes and thereby changes a stock index's value.
The Dow, Nasdaq and S&P 500 are major market indexes. The Dow tracks 30 large U.S. companies but has limited representation. The Nasdaq indexes, associated with the Nasdaq exchange, focus more ...
The SPDR S&P 500 ETF, for example, recently priced at about $440 a share, and the fund carefully balances stock purchases to ensure that it matches the S&P 500. Keep in mind that the company that ...
The S&P 500 is perhaps the world’s most well-known stock index. The index contains about 500 of the largest publicly traded companies in the U.S., making it a bellwether for stocks.
Stock market indices may be categorized by their index weight methodology, or the rules on how stocks are allocated in the index, independent of its stock coverage. For example, the S&P 500 and the S&P 500 Equal Weight each cover the same group of stocks, but the S&P 500 is weighted by market capitalization, while the S&P 500 Equal Weight places equal weight on each constituent.
The SPDR S&P 500 ETF trust is an exchange-traded fund which trades on the NYSE Arca under the symbol SPY ( NYSE Arca : SPY ). SPDR is an acronym for the Standard & Poor's Depositary Receipts, the former name of the ETF. It is designed to track the S&P 500 stock market index. This fund is the largest and oldest ETF in the USA.