pump-and-dump

British

noun

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.

The White House, in response to those remarks, said Madden should “stick to pontificating about pump-and-dump fraud schemes instead of international trade,” as MarketWatch reported last year.

From MarketWatch

Wall Street’s stamp of legitimacy fuels suspected pump-and-dump schemes.

From MarketWatch

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023