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insider trading

the illegal buying and selling of securities by persons acting on privileged information.
Origin of insider trading
Related forms
insider trader, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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insider trading definition

The unlawful practice of using information that comes from a source “inside” the business but is not available to the general public to trade on the stock market. This activity is prohibited by law and is policed by the Securities and Exchange Commission.

Note: In the mid-1980s, several revelations of insider trading rocked Wall Street.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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