英语翻译定义下面几个指数的含义,用英文：1.Dow Jones industrial average 2.Nasdaq

英语翻译
定义下面几个指数的含义,用英文：
1.Dow Jones industrial average
2.Nasdaq Composite Index
3.Standard and Poor's 500 index

1、道琼斯工业平均指数The Dow Jones Company is a product of Wall Street,the area in New York City that is the financial center of the United States.Three reporters,Charles Dow,Edward Jones and Charles Bergstresser,started the company in eighteen-eighty-two.At first,they published a handwritten newsletter for financial workers.It was very successful.By eighteen-eighty-nine,the newsletter became the Wall Street Journal newspaper.Doctors always measure the heartbeat of a patient when examining the patient's health.The heartbeat of America's stock markets is the Dow Jones Industrial Average（道琼斯工业平均指数）.No other measure of stock value is as widely known.Sometimes it is simply called the Dow.It is published by the Dow Jones Company,an influential publisher of international financial news.
2、那斯达克综合指数
The NASDAQ Composite Index is the third main measure of the value of shares of American companies.NASDAQ stands for the National Association of Securities Dealers Automated Quotation System.It is an electronic stock market.Many of the companies on NASDAQ are linked to technology.All buying and selling of NASDAQ stocks takes place on the computer.NASDAQ has lot about thirty-five percent of its value so far this year.
3.标准普尔 500点指数.
It was formed when two companies joined together.One was Poor's Publishing Company.Henry Varnum Poor started the company in the eighteen sixties.He published a number of books on railroads,money and business.He also published financial information about companies for investors.
In nineteen-oh-six,the Standard Statistics Bureau was formed to provide financial information about American companies.It recorded numerical information,or statistics,about businesses.In nineteen sixteen,the Standard Statistics Bureau started offering credit ratings for companies.Ratings are designed to give investors an idea of how likely it is that a business will pay its debts.Soon after,the company offered credit ratings for nations.It later offered the same service for local governments.
你怎不回贴呢?老是问问题.