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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 ...
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.
While the S&P 500 was first introduced in 1923, it wasn't until 1957 when the stock market index was formally recognized, thus some of the following records may not be known by sources. [ 1 ] Largest daily percentage gains [ 2 ]
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Blinder and Watson estimated that the S&P 500 returned 8.4% annually on average under Democrats versus 2.7% under Republicans, a difference of 5.7% percentage points. This computation used the average value in last year of the president's term, minus the average value in last year of previous term. [1]
The S&P 500 Dividend Aristocrats is a stock market index composed of the companies in the S&P 500 index that have increased their dividends in each of the past 25 consecutive years. It was launched in May 2005.
December 31, 2008: For the year, S&P 500 falls 38.49 percent, its worst yearly percentage loss. In September 2008, Lehman Brothers collapsed as the financial crisis spread. March 16, 2020: The S&P 500 index suffered its worst daily decline since 1987's Black Monday, falling 9.5 percent, as a result of anxiety about the coronavirus pandemic. [50]
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 the American stock exchanges (including the 30 companies that compose the Dow Jones Industrial Average ).