WEATHER IN LINCOLN COUNTY

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Understanding Stock Market Indexes

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Duane J. Silbernagel Financial Advisor Waddell & Reed

Duane J. Silbernagel
Financial Advisor
Waddell & Reed

Understanding Stock Market Indexes
Provided By: Duane J. Silbernagel
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No doubt you’ve seen headlines reporting that a particular stock index is up or down. But do you know what an index is, and how understanding the nuts and bolts of a specific index may be helpful to you?

An index is simply a way to measure and report the fluctuations of a pool of securities or a representative segment of a market. An index is developed by a company that sets specific criteria to determine which securities are included in the index based on factors such as a company’s size or location, or the liquidity of its stock. For example, the S&P 500 is an index made up of mostly large-cap U.S.-based companies that Standard & Poor’s considers to be leading representatives of a cross-section of industries.

The company that develops the index tracks the performance of its components and aggregates the data to produce a single figure that represents the index as a whole. Virtually every asset class is tracked by at least one index, but because of the size and variety of the stock market, there are more stock indexes than any other type. It’s important to note that the performance of an unmanaged index is not indicative of the performance of any specific security. Individuals cannot invest directly in an index.

Comparing apples to oranges

Since indexes encompass a wide range of securities, it’s important to know what segment of the market a particular index covers. For instance, a composite index follows a specific stock exchange. The Nasdaq Composite Index includes all the stocks listed on the Nasdaq market. Conversely, sector indexes track securities in a specific industry.

Even indexes that include the same securities may not operate in precisely the same way. Generally, indexes tend to be either price-weighted or market capitalization-weighted. If an index is price-weighted, such as the Dow Jones Industrial Average, the impact of each stock on the overall average is proportional to its price compared to other stocks in the index. With a price-weighted index, the highest-priced stocks would have the most impact on the average. For example, a 1 percentage point drop in the price of a stock selling for $80 per share would have more impact on the overall index’s performance than a 1 percentage point drop in the price of a stock that had been selling for $40 a share.

If an index is market capitalization-weighted or market value-weighted, such as the Nasdaq Composite Index or the S&P 500 Composite Index, the average of the index is adjusted to take into account the relative size of each company (its market cap) to reflect its importance to the index. Stocks with a larger market capitalization have a greater influence on how the index performs than stocks with a smaller market capitalization. For example, if the stock of a $10 billion market-cap company drops by 1 percentage point, it will drag down the index’s performance more than a 1 percentage point drop in the share price of a $1 billion market-cap company.

Though an index adheres to a set of guidelines for selection of the securities it includes, the company that oversees the index generally reviews the security selection periodically and may make occasional changes. For example, some indexes may rebalance if an individual security grows so large that it dominates the index. Others have a limit on how much of the index can be devoted to a particular sector or industry, and may rebalance if the proportion gets skewed.

Indexes are worth watching

Stock indexes can provide valuable information for the individual investor. If checked regularly, an index can provide information that may help you stay abreast of how the stock market in general, or a particular segment of it, is faring.
However, understanding the differences between indexes and how each one works will help you make better use of the information they provide. All investing involves risk, including the possible loss of principal, and there is no guarantee that any investment strategy will be successful.

I hope you found this beneficial and informational. For more information about me and my services, visit my website:
www.duane.wrfa.com
Thank you for your interest.

This article is meant to be general in nature and should not be construed as investment or financial advice related to your personal situation. Waddell & Reed does not provide legal or tax advice. This information is prepared by an independent third party, Broadridge Investor Communication Solutions, Inc. and is provided for informational and educational purposes only. Waddell & Reed believes the information has been obtained from sources considered to be reliable, but does not guarantee the accuracy of the information provided. This information is not meant to be a complete summary or statement of all available data necessary for making financial or investment decisions and does not constitute a recommendation. Please consult with a tax professional regarding your personal situation prior to making any financial related decisions. Also note that the information provided may include references to concepts that have legal, accounting and tax implications. It is not to be construed as legal, accounting or tax advice, and is provided as general information to you to assist in understanding the issues discussed. Neither Waddell & Reed, Inc., nor its Financial Advisors give tax, legal, or accounting advice. Nothing contained herein is intended as a solicitation or an offer to buy or sell any product or service mentioned and they may not be suitable for all investors.
Duane Silbernagel is a Financial Advisor in Lincoln City, Oregon offering securities through Waddell & Reed, Inc., Member FINRA and SIPC. He can be reached at (541) 614-1322 or via email at DSilbernagel@wradvisors.com. 
Copyright 2015 – Broadridge Investor Communication Solutions, Inc.
Waddell& Reed is not affiliated with www.newslincolncounty.com website and is not responsible for any other content posted to this website.  (05/16)

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