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The process of influencing the share price of a company and then taking advantage of it, for example by buying shares in a company when they are at a low price and then starting a rumour that the company is being taken over. When the share price rises, the shares are sold at a profit. This is not a new scam but technologies such as newsgroups and bulletin boards have made it much easier to spread rumours. Also known as pump and dump. See also book ramping.
Subjects: Computing.
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