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Used to characterize a group of securities that are similar with respect to maturity, type, rating, industry, and/or coupon.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.


A set of securities or individual companies that are similar to each other. For example, all automotive companies in the United States are said to belong to the American automotive sector. See also: Industry.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


A group of securities (such as airline stocks) that share certain common characteristics. Stocks that are particularly interest-sensitive are considered a sector.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.


A sector is a segment of the economy that includes companies providing the same types of products or services.

For example, the utility sector provides electric power, natural gas, water, or a combination of these services. This sector may also include companies who produce power and those that trade it.

Companies within a sector tend to be reasonably consistent in their average earnings per share, price/earnings ratios (P/Es), and other fundamentals. But fundamentals may differ substantially from one sector to another. For example, some sectors are cyclical, rising and falling with changes in the economy while others are defensive, maintaining their strength despite economic ups and downs.

Since there's no official list of sectors, there can be confusion about how many sectors there are, what they're called, and what companies are included in them. For example, transportation is sometimes a standalone sector and sometimes included as part of the industrial sector.

Sector indexes, some of which are broad while others are very narrow, track many of the major sectors of the economy.

Dictionary of Financial Terms. Copyright © 2008 Lightbulb Press, Inc. All Rights Reserved.


a part of the economy that has certain common characteristics that enable it to be separated from other parts of the economy for analytical or policy purposes. A broad division may be made, for example, between economic activities undertaken by the state (the PUBLIC SECTOR) and those that are undertaken by private individuals and businesses (the PRIVATE SECTOR). The private sector, in turn, may be subdivided into the PERSONAL SECTOR (private individuals and households), the CORPORATE SECTOR (businesses supplying goods and services) and the FINANCIAL SECTOR (businesses providing financial services).
Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies 2005
References in periodicals archive ?
The use of outcome measures within treatment sectors aimed at provision of treatment modalities for chronic conditions, such as various mental health problems or alcohol and drug problems, highlights the purpose of integrated recoveryfocused treatment approaches with impact not just on the individual, but also on significant others and the wider community.
OPSEU'S Child Treatment Sector represents about 2,000 child and youth in 27 child treatment centres.
This report showed that the financial resources in the treatment sector had increased considerably since the government review in 1994.
Prior studies show that only a fraction of the chemically dependent population seeking treatment in any given community actually receives services in the specialty drug treatment sector, and that large proportions of drug users may be found on the caseloads of other types of health and human services.
This initiative is proving to be a paradigm shift in the wastewater treatment sector giving one stop solution to sewage treatment of an entire city.
Dialysis Machine - CC via Wikimedia Commons/Irvin calicut CAIRO - 30 April 2019: The Ministry of Health and Population will replace and renew dialysis machines and water systems at 400 hospitals across the country, Treatment Sector Head Mostafa Ghanima said on Tuesday.
Realizing the widespread acceptance homeopathy treatment sector, FactMR analysis says that the global market for homeopathy products is meant to witness stellar growth during the period of assessment.
Qatar's participation in the exhibition, held from 22 to 27 April, is of particular importance based on its keenness to develop the waste treatment sector and to know what has been achieved in this field and how to apply it in the country.
A solution to an issue that will be recognised by many involved in the finishing and surface treatment sector is now being provided by a specialist subcontractor in the West Midlands.
The comments came during a panel discussion on the waste water and water treatment sector during the conference's second day.
Covering municipal, commercial, residential and end-use sectors, the 'Analysis of the Middle Eastern and North Africa (MENA) Membrane Bioreactor Market' has said there are 'untold opportunities' within the region's water and wastewater treatment sector.
Suitable for applications across a broad spectrum of industries, AxFlow has identified great potential for this new pump in the water and wastewater treatment sector and where process wastewater is being handled.

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