What is an Investment Account Mid Cap Index?
Mid Cap is an abbreviation for "middle capitalization" and refers to stocks that are well established but not quite as large as the blue chip large cap stocks. And a stock index is simply an average value for a basket of stocks, usually weighted by market cap. Thus, a mid cap index is a benchmark value for the common shares of a particular grouping of mid cap companies.
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Features
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Market capitalization, market cap, is the price per share of a company multiplied by the number of outstanding shares, also called the float. Mid cap is defined as a company with a market cap between $2 and $10 billion. Large cap stocks have a market cap greater than $10 billion.
Significance
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Different segments of the market have different properties. Large cap stocks tend to be multinational, meaning they could have some immunity to sluggish domestic growth and might also benefit from a falling dollar. Small cap stocks can be very risky and volatile, and are usually tied entirely to the domestic economy. The companies in the middle, the mid caps, mitigate the risks of the small caps while usually offering greater growth potential than the established, saturated large caps.
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Function
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Since the inception of the Dow Jones Industrial Average in 1896, stock indices have been used to gauge the performance of either specific pieces of the market or the market as a whole. . Because most indices are market cap weighted, the largest companies tend to overshadow the smaller. Thus, separating out these smaller issues into their own index allows for better examination and comparison. Some investment funds or ETFs may be linked to mid cap indices, staking their performance to that of this segment of the market.
Types
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Mid cap stocks do not tend to get the attention afforded the highly visible large caps or volatile small caps, and the two major mid cap indices are virtually unknown to layman investors. The Russell Midcap Index represents the lower 31 percent of the market capitalization of the Russell 1000, which is in turn a division of the Russell 3000, a broad market index that includes the small cap stocks of the Russell 2000. The S&P 400, in contrast, is not the smallest stocks of the S&P 500, but the group of stocks that did not make the large cap list, yet are larger than the components of the S&P SmallCap 600 Index.
Considerations
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Owing to their lack of popularity among retail investors, assets linked to the mid cap indices can be relatively illiquid. Another consideration is that the components of market cap-weighted indices is subject to change as companies increase or decrease in value. There is also some variation in the definition of mid cap, though the figures given above are generally accepted.
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