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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 on stock exchanges in the United States. It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U.S. public companies, with an ...
S&P Dow Jones Indices updates the components of the S&P 500 periodically, typically in response to acquisitions, or to keep the index up to date as various companies grow or shrink in value. [3] Between January 1, 1963, and December 31, 2014, 1,186 index components were replaced by other components.
In March 1957 the index was expanded to its current 500-stock structure and renamed the S&P 500 Stock Composite Index. Subsequently, closing beyond 50 for the first time in September 1958, the continued post-World War II boom in the United States would see the index nearly double to a closing price of 94.06 on February 9, 1966.
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S&P Futures trade with a multiplier, sized to correspond to $250 per point per contract. If the S&P Futures are trading at 2,000, a single futures contract would have a market value of $500,000. For every 1 point the S&P 500 Index fluctuates, the S&P Futures contract will increase or decrease $250.
In 2014, Bemis (BMS) was removed from the S&P 500 index and therefore removed from the index. In 2013, Pitney Bowes (PBI) was removed after slashing the dividend from 37.5c to 18.75c per quarter per share. In 2012, CenturyLink (CTL) was removed from the index.
The upper cluster has two roughly parallel curvy plots using S&P 500 Monthly $ MAXIMUM values for the upper line and $ MINIMUM values for the lower line 1/1950 to latest on chart. The upper cluster has 2 straight lines a Best Fit Upper, and Best Fit Lower, which in effect represent one line with thickness or separation, value see chart legend.
The S&P 1500, or S&P Composite 1500 Index, is a stock market index of US stocks published by S&P Global. It includes all stocks in the S&P 500 , S&P 400 , and S&P 600 . This index covers approximately 90% of the market capitalization of U.S. stocks and is a broad measure of the U.S. equity market.