Dictionary.com
Thesaurus.com

pump-and-dump

British  

noun

  1. the practice of buying shares, generating favourable publicity about them, especially on the internet, then selling them when the price accordingly rises

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Regulators are investigating small-capitalization IPOs on Nasdaq due to concerns over potential pump-and-dump frauds.

From Barron's

But Nasdaq’s IPO laurels were blighted by a swarm of tiny offerings that left investors with steep losses and prompted investigations by regulators concerned over potential pump-and-dump frauds.

From Barron's

“His calculated ‘pump-and-dump’ schemes repeatedly wiped out employee and investor value.

From Los Angeles Times

This summer, the Federal Bureau of Investigation reported External link a 300% increase in complaints about pump-and-dump frauds.

From Barron's

The SEC and Finra are investigating China-based offerings and underwriters, while the FBI reported a 300% increase in pump-and-dump fraud complaints.

From Barron's