A
stock index or a
stock market index is a list of figures and stocks that are used to indicate the combined value of its constituents. The stock index is applied as a device for representing the essential features of its constituent stocks.
The component stocks of a stock index carry some resemblances, which include the following:
- They are traded on the same stock exchange
- They belong to the same industry
- They carry identical market capitalization values
A large number of stock indexes composed by financial services providers and news agencies are utilized for benchmarking or standardizing the performance of different kinds of investment portfolios, for example, mutual funds.
The
stock market indexes can be classified into different types based on their features and functions. These include the following:
- Broad base index
- Price weighted index
- Market value weighted index or capitalization weighted index
- Market share weighted index
- Ethical investing index
- Environment stock market indices
The most often quoted
stock indexes include the broad based indices, which are made up of the multinational company (MNC) stocks that are registered on the primary stock exchange of a country. The stock indexes are often classified as per the industry types, such as energy indices, electronics indices, finance indices, metal indices, and water indices.
A
stock index is weighted on the basis of the procedures implemented to ascertain its price.
The most important stock indices of the world include the following:
- The S&P 500 Stock Index
- The Dow Jones Industrial Average Index
- The NASDAQ Composite Index
The stock indexes function as the indicator of the general economic scenario of a country. If the stock market indexes are on the high, it reflects that the overall financial condition of the different companies in the country and the general economy of the country is in a stable state. If there is a plunge noticed in the stock market indices, it is indicative of poor economic condition of the companies and the general economy.
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