AMEX Natural Gas Index (XNG)

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Index description (from the official AMEX website)
The Natural Gas Index is designed to measure the performance of highly capitalized companies in the natural gas industry involved primarily in natural gas exploration and production and natural gas pipeline transportation and transmission.

The Index is equal-dollar weighted to ensure that each of its component securities is represented in approximate equal-dollar value. Equal-dollar weighting was established by designating the number of shares of each component stock that represented approximately $10,000 in market value, based on closing prices on Oct. 15, 1993 (e.g., a stock that closed at $20 per share would be represented in the Index by 500 shares for a total market value of $10,000). The aggregate value of the stocks was divided by a divisor to establish an Index benchmark value of 300.00. To ensure that each component stock continues to represent approximate equal market value in the Index, adjustments are made quarterly after the close of trading on the third Friday of January, April, July and October.

Company Name Ticker Symbol
Anadarko Petroleum Corporation APC
Apache Corporation APA
Burlington Resources Inc. BR
Dynegy Inc. DYN
El Paso Energy Corp EPG
Enron Corporation ENE
Enron Oil & Gas Corporation EOG
Noble Affiliates  Inc. NBL
NiSource Inc. NI
Ocean Energy Inc. OEI
Kinder Morga Inc KMI
Pogo Producing Company PPP
Questar Corporation STR
National Fuel Gas Comp NFG
Williams Company WMB
APC,APA,BR,DYN,EPG,ENE,EOG,NBL,OEI,KMI,PPP,STR,NFG,WMB

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