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The S&P 1500, or S&P Composite 1500 Index, is a stock market index of US stocks made by Standard & Poor's. 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.
While the Small-Cap 600 is a weighted index, no stock makes up more than 0.66% of the total weight, a sharp contrast to the S&P 500, where the 10 largest stocks make up 35% of the index's performance.
On Monday, March 4, 1957, the index was expanded to its current extent of 500 companies and was renamed the S&P 500 Stock Composite Index. [1] In 1962, Ultronic Systems became the compiler of the S&P indices including the S&P 500 Stock Composite Index, the 425 Stock Industrial Index, the 50 Stock Utility Index, and the 25 Stock Rail Index. [20]
The Standard and Poor's 100, or simply the S&P 100, is a stock market index of United States stocks maintained by Standard & Poor's. The S&P 100 is a subset of the S&P 500 and the S&P 1500 , and holds stocks that tend to be the largest and most established companies in the S&P 500. [ 1 ]
So, the S&P 500 is able to maintain its status as an accurate reflection of the major companies of the times. Now, let's see what history tells us about the S&P 500's performance track record.
The Dow, Nasdaq and S&P 500 aren’t the only games in town for understanding the market’s performance. The Wilshire 5000 is designed to represent the entire U.S. stock market, and the Russell ...
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.
But it was still, by far, the best-performing Dow stock in 2024 with a 171.2% return, walloping second-place Walmart's 71.9% gain and third-place American Express' 58.4%.