what is meant by share Market index?
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Answer:
A stock index, or stock market index, is an index that measures a stock market, or a subset of the stock market, that helps investors compare current price levels with past prices to calculate market performance.[1] It is computed from the prices of selected stocks (typically a weighted arithmetic mean).
A comparison of three major U.S. stock indices: the NASDAQ Composite, Dow Jones Industrial Average, and S&P 500 Index. All three have the same height at March 2007. The NASDAQ spiked during the dot-com bubble in the late 1990s, a result of the large number of technology companies on that index.
Two of the primary criteria of an index are that it is investable and transparent:[2] The method of its construction are specified. Investors can invest in a stock market index by buying an index fund, which are structured as either a mutual fund or an exchange-traded fund, and "track" an index. The difference between an index fund's performance and the index, if any, is called tracking error. For a list of major stock market indices, see List of stock market indices.
Answer:
A stock index, or stock market index, is an index that measures a stock market, or a subset of the stock market, that helps investors compare current price levels with past prices to calculate market performance. It is computed from the prices of selected stocks (typically a weighted arithmetic mean).
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