民办位育中学初中地址:纳斯达克指数是指什么？

纳斯达克综合指数是反映纳斯达克证券市场行情变化的股票价美股三大指数遭重挫格平均指数，基本指数为100。纳斯达克的上市公司涵盖所有新技术行业，包括软件和计算机、电信、生物技术、零售和批发贸易等。主要由美国的数百家发展最快的先进技术、电信和生物公司组成，包括微软、英特尔、美国在线、雅虎这些家喻户晓的高科技公司，因而成为美国"新经济"的代名词。
　　纳斯达克综合指数是代表各工业门类的市场价值变化的晴雨表。因此，纳斯达克综合指数相比标准普尔500指数、道·琼斯工业指数(它仅包括30个著名大工商业公司，20家运输业公司和15家公用事业大公司)更具有综合性。纳斯达克综合指数包括5000多家公司，超过其他任何单一证券市场。因为它有如此广泛的基础，已成为最有影响力的证券市场指数之一。
　　1971年2月8日，股票交易发生了革命性的创新。那一天一个称之为纳斯达克(Nasdaq全美债券交易商自动报价)的系统为2,400只优质的场外交易(OTC)股票提供实时的买卖报价。在以前，这些不在主板上市的股票报价是由主要交易商和持有详细名单的经纪人公司提供的。纳斯达克链接着全国500多家造市商的终端，形成了计算机系统的中心。

　　纳斯达克(NASDAQ)是美国全国证券交易商协会于1968年着手创建的自动报价系统名称的英文简称。纳斯达克的特点是收集和发布场外交易非上市股票的证券商报价。它现已成为全球最大的证券交易市场。目前的上市公司有5200多家。纳斯达克又是全世界第一个采用电子交易的股市，它在55个国家和地区设有26万多个计算机销售终端。
　　纳斯达克指数是反映纳斯达克证券市场行情变化的股票价格平均指数，基本指数为100。纳斯达克的上市公司涵盖所有新技术行业，包括软件和计算机、电信、生物技术、零售和批发贸易等。世人瞩目的微软公司便是通过纳斯达克上市并获得成功的。
　　以下是纳斯达克市场建立以来的主要里程碑：
　　1971年2月8日：纳斯达克股市建立，最初的指数为100点，十年后突破200点。
　　1987年10月19日：在道—琼斯工业股票平均价格指数暴跌以后，纳斯达克下跌11.5%，创造了一天内的最大降幅。当年年终时，该指数为330点。
　　1991年4月12日：500点。
　　1995年7月17日：1000点。
　　1997年7月11日：1500点。
　　1998年7月16日：2000点。
　　1999年1月29日：2500点。
　　1999年11月3日：3000点。
　　1999年12月29日：4000点。
　　2000年3月9日：5000点。
　　2000年3月10日：创造5048.62点的最高记录。
　　另外，道·琼斯指数：道琼斯工业平均指数是价格加权平均法计算的指数，用以反映美国市场30只成份股的表现。成份股的甄选多属有份量的公司，广为投资者持有，且以优质产品和服务见称，及有著良好的企业发展史。bo
　　道琼斯工业平均指数在美国以外地区同样广为使用，也不单是美国市场表现的指标，更是全球其他市场的指引。道琼斯工业平均指数在亚洲广见报导。并且与亚洲股市指数的每日走势息息相关，指数的表现更常令亚洲市场作出回应。因此，香港及亚太区内的投资者都会紧贴这指数。

纳斯达克(Nasdaq)是全美证券商协会自动报价系统（National Association of Securities Dealers Automated Quotations）英文缩写，但目前已成为纳斯达克股票市场的代名词。信息和服务业的兴起催生了纳斯达克。纳斯达克始建于1971年，是一个完全采用电子交易、为新兴产业提供竞争舞台、自我监管、面向全球的股票市场。纳斯达克是全美也是世界最大的股票电子交易市场。

纳斯达克
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纳斯达克（NASDAQ）台译那斯达克，美国全美证券交易协会自动报价系统(The National Association of Securities Dealers Automated Quotations)首字母缩略词。从1971年创立到现在，已经成长为世界最大的股票市场之一。该市场允许市场期票出票人通过电话或互联网直接交易，而不拘束在交易大厅进行，而且交易的内容大多与新技术，尤其是计算机方面相关。它是世界第一家电子股票交易市场，也是当今世界上很出名的股票交易市场。

'Nasdaq' 这个词习惯于用'NASDAQ'，取用 National Association of Securities Dealers Automated Quotation的首字母。近期，取首字母这种写法逐渐被淡化，而Nasdaq则被用作专有名词。

一般来说，纳斯达克以一些高科技公司的为主，这些大公司包括微软（Microsoft）、英特尔（Intel）、 戴尔（Dell）和思科（Cisco）等等。
取自"http://zh.wikipedia.org/wiki/%E7%BA%B3%E6%96%AF%E8%BE%BE%E5%85%8B"

Category: 股市

NASDAQ
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NASDAQ MarketSite (Times Square, New York City) at night
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NASDAQ MarketSite (Times Square, New York City) at night

NASDAQ (originally an acronym for National Association of Securities Dealers Automated Quotations) is a U.S. electronic stock market. It was founded by the National Association of Securities Dealers (NASD) who divested it in a series of sales in 2000 and 2001. It is owned and operated by The Nasdaq Stock Market, Inc. NASDAQ: NDAQ which was listed on its own stock exchange in 2002. The current chief executive is Robert Greifeld.
Contents
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* 1 History
* 2 Business
* 3 Owners
* 4 Markets
* 5 Indices
o 5.1 NASDAQ-100 Index
o 5.2 NASDAQ Financial-100 Index
o 5.3 NASDAQ Composite Index
o 5.4 NASDAQ National Market Composite Index
o 5.5 NASDAQ Bank Index
o 5.6 NASDAQ Biotechnology Index
o 5.7 NASDAQ Computer Index
o 5.8 NASDAQ Industrial Index
o 5.9 NASDAQ National Market Industrial Index
o 5.10 NASDAQ Insurance Index
o 5.11 NASDAQ Other Finance Index
o 5.12 NASDAQ Telecommunications Index
o 5.13 NASDAQ Transportation Index
o 5.14 NASDAQ Index Calculation Description
o 5.15 America's Community Bankers NASDAQ Index
* 6 Companies
o 6.1 Company websites

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History

When it began trading on February 8, 1971, it was the world's first electronic stock market. On July 17, 1995 the NASDAQ stock index closed above the 1,000 mark for the first time. The index peaked at 5132.52 on March 10, 2000, which signaled the beginning of the end of the dot-com boom. NASDAQ is now the largest U.S. electronic stock market.
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Business

NASDAQ allows multiple market participants to trade through its electronic communications networks (ECNs) structure, increasing competition. The Small Order Execution System (SOES) is another NASDAQ feature, introduced in 1984, to ensure that in 'turbulent' market conditions small market orders are not forgotten but are automatically processed. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other stock exchange in the world. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks.
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Owners

Yahoo! data

* NATIONAL ASSOCIATION OF SEC. DEALERS INC.: 30%

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Markets

* NASDAQ National Market
* NASDAQ SmallCap Market

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Indices

Indices of The Nasdaq Stock Market

The following common type securities are eligible for index inclusions. There is no distinction between either the NASDAQ National Market vs. the NASDAQ SmallCap Market, or domestic US vs. Non-US securities.

Security Class

American Depositary Receipts (ADRs)
Common
Limited Partnership Interests
Ordinary Shares
Real Estate Investment Trusts (REITs)
Shares of Beneficial Interest (SBIs)
Tracking Stocks

The following issue types are not eligible for inclusion in the indices: closed-end funds, convertible debentures, exchange traded funds, preferred stocks, rights, warrants, units and other derivative securities.
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NASDAQ-100 Index

The NASDAQ-100 Index includes 100 of the largest domestic and international non-financial companies listed on The Nasdaq Stock Market based on market capitalization. The Index reflects companies across major industry groups including computer hardware and software, telecommunications, retail/wholesale trade and biotechnology. It does not contain financial companies including investment companies. The NASDAQ-100 Index is calculated under a modified capitalization-weighted methodology.

On January 31, 1985, the NASDAQ-100 Index began with a base of 250.00. On January 1, 1994, the NASDAQ-100 base was reset by division of a factor of 2.00 to 125.00.
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NASDAQ Financial-100 Index

The NASDAQ Financial-100 Index includes 100 of the largest domestic and international financial companies listed on The NASDAQ Stock Market based on market capitalization. They include companies classified by the FTSE™ Global Classification System as Financials, which are included within the NASDAQ Bank, Insurance and Other Finance Indexes.

On January 31, 1985, the NASDAQ Financial-100 Index began with a base of 250.00.
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NASDAQ Composite Index

The NASDAQ Composite Index measures all NASDAQ domestic and international based common type stocks listed on The NASDAQ Stock Market.

Today the NASDAQ Composite includes over 3,000 companies, more than most other stock market indices. Because it is so broad-based, the Composite is one of the most widely followed and quoted major market indices.

On February 5, 1971, the NASDAQ Composite Index began with a base of 100.00.
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NASDAQ National Market Composite Index

The NASDAQ National Market Composite Index is a sub-set of the NASDAQ Composite Index, and consists of all companies included in the NASDAQ Composite Index which are listed on the NASDAQ National Market tier of The Nasdaq Stock Market.

On July 10, 1984 the NASDAQ National Market Composite Index began with a base of 100.00.
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NASDAQ Bank Index

The NASDAQ Bank Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Banks. They include banks providing a broad range of financial services, with significant retail banking and money transmission.

On February 5, 1971, the NASDAQ Bank Index began with a base of 100.00.
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NASDAQ Biotechnology Index

The NASDAQ Biotechnology Index contains companies that are classified according to the FTSE™ Global Classification System as either biotechnology or pharmaceutical which also meet other eligibility criteria. The NASDAQ Biotechnology Index is calculated under a modified capitalization-weighted methodology.

On November 1, 1993, the NASDAQ Biotechnology Index began with a base of 200.00.
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NASDAQ Computer Index

The NASDAQ Computer Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Computer Hardware, Semiconductors, and Software & Computer Services. They include firms that manufacture and distribute computers and associated electronic data processing equipment and accessories, semiconductor capital equipment, manufacturers and distributors of wafers and chips, providers of computer services and IT consultants, Internet access providers, internet software and on-line service providers, and producers and distributors of computer software.

On November 1, 1993, the NASDAQ Computer Index began with a base of 200.00.
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NASDAQ Industrial Index

The NASDAQ Industrial Index contains NASDAQ listed companies not classified in one of the NASDAQ sector Indexes. These include firms that are involved in mining, oil and gas, chemicals, construction and building materials, forestry and paper, steel and other metals, aerospace and defense, diversified industrials, electronic and electrical equipment, engineering and machinery, automobiles and parts, household goods and textiles, beverages, food producers and processors, health, personal care and household products, tobacco, general retailers, leisure and hotels, media agencies, photography, publishing and printing, support services, food and drug retailers, electricity, utilities, and biotechnology and pharmaceutical firms not included in the NASDAQ Biotechnology Index.

On February 5, 1971, the NASDAQ Industrial Index began with a base of 100.00.
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NASDAQ National Market Industrial Index

The NASDAQ National Market Industrial Index is a sub-set of the NASDAQ Industrial Index, and consists of all companies included in the NASDAQ Industrial Index which are listed on the NASDAQ National Market tier of The Nasdaq Stock Market.

On July 10, 1984 the NASDAQ National Market Industrial Index began with a base of 100.00.
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NASDAQ Insurance Index

The NASDAQ Insurance Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Insurance or Life Assurance. They include insurance brokers, non-life insurance, re-insurance, other insurance, and life assurance.

On February 5, 1971, the NASDAQ Insurance Index began with a base of 100.00.
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NASDAQ Other Finance Index

The NASDAQ Other Finance Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Investment Companies, Real Estate, Specialty and Other Finance, or Investment Entities. They include real estate holding and development, property agencies, asset managers, consumer finance, investment banks, mortgage finance, other finance including financial holding companies, security and commodity exchanges, and other financial companies.

On February 5, 1971, the NASDAQ Other Finance Index began with a base of 1000.00.
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NASDAQ Telecommunications Index

The NASDAQ Telecommunications Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Television, Radio & Filmed Entertainment, Subscription Entertainment Networks, and Telecommunications Services and Equipment. They include independent radio and television contractors, film production, providers of television, media services and programming facilities including those driven by subscription, operators of wireless and fixed-line telecommunication services, and manufacturers and distributors of digital equipment used in telecommunication.

On November 1, 1993, the NASDAQ Utility Index was renamed the NASDAQ Telecommunications Index. The former NASDAQ Utility Index was reset to a base of 200.00, using a factor of 5.74805.
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NASDAQ Transportation Index

The NASDAQ Transportation Index contains NASDAQ listed companies classified according to the FTSE™ Global Classification System as Transport. They include firms that provide air, rail, road, freight, and water transport and their related facilities and services.

On February 5, 1971, the NASDAQ Transportation Index began with a base of 100.00.
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NASDAQ Index Calculation Description

All NASDAQ Indices are market value weighted except the NASDAQ-100 Index which is weighted using a modified market capitalization method. The representation of each security in the Index is proportional to its last sale price times the total number of shares outstanding, relative to the total market value of the respective index.

The formula used for determining the Index values is as follows:

Index Level = Current Market Value

Adjusted Base Period Market Value X Base Value

Adjusted Base Period Market Value = Current Market Value After Adjustments

Current Market Value Before Adjustments X Previous Base Period Market Value

The level of an Index will only change as a result of price changes occurring between the opening and closing of the market. Adjustments for securities being added to or deleted from The Nasdaq Stock Market, Inc., or capitalization changes, are adjustments which take place during the system maintenance process which occurs after the market has closed. These adjustments will result in value changes to the current market value and adjusted base period market value, but will not in and of themselves alter the level of an Index.

Stock splits and stock dividends are likewise adjusted for during the system maintenance process. However, the system makes a price adjustment to account for the increased number of shares with the result being that the current market value does not change. As an example, assume that ABC Corp. has 1,000,000 shares outstanding with a last sale price of 20 (market value - $20,000,000) The company has declared a 2 for 1 stock split. During system maintenance on the day prior to the effective date of the split, the system will adjust the shares outstanding to 2,000,000 and will correspondingly adjust the price to 10. Result, the same current market value of $20,000,000.

In the case of cash dividends, no system adjustment is made. Neither the Current Market Value nor the Adjusted Base Period Market Value is adjusted to reflect cash dividends. The index formula relies on market forces to determine the level of the Index.
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America's Community Bankers NASDAQ Index

The America's Community Bankers NASDAQ IndexSM is a market-value weighted total return index made up of a broad diversity of community based financial institutions. Unlike other NASDAQ indexes, the America's Community Bankers NASDAQ Index is calculated once a day as a total return index, which means that companies' dividends will be reinvested and included in the index value. The eligibility criteria and constituents of the America's Community Bankers NASDAQ Index are provided by America's Community Bankers (ACB). For further details, please visit the America's Community Bankers Web Site.
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Companies

* List of companies traded at NASDAQ
* NASDAQ 100

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Company websites

* nasdaq.com
* nasdaqtrader.com

Retrieved from "http://en.wikipedia.org/wiki/NASDAQ"

Categories: Companies traded on NASDAQ | Stock exchanges | Companies based in New York City | Stock exchanges in North America