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1. To use unrealized profits from margin transactions to increase one's margin. That is, one uses unrealized profits as collateral on a margin account in order to borrow more money from a brokerage to buy more securities.

2. To borrow to expand a company's operations.

3. See: Ponzi Scheme.


A classic investment fraud in which the operator pays promised high returns to current investors from the contributions made by new investors. Thus, funds are never invested in any productive assets but are simply paid out as a return to existing owners. The operator must continue to attract more and more investors in order to pay a return to those who have already committed their funds. Also called Ponzi scheme.


To use profits derived from a profitable security position in combination with borrowed money in order to acquire an even larger investment position. Pyramiding, which is very risky, allows an investor the possibility of greater profits by using a given amount of funds to control the maximum amount of securities.
References in periodicals archive ?
Decision making came via a pyramidical structure with the people forming the base, experts and the government outlining and executing policies.
So he fell on top of me, no one could say which way, with the weight of his five million red blood cells and some seven meters of intestines, his hundred billions of Golgi cells and two hundred and eight bones, his fourteen billions of cortical neurons and thirty-five vertebras, one hundred and twenty millions of rodlike cells and twenty milk teeth, his million pyramidical axons and some four hundred and fifty muscles, his seven million cones and three quarts of blood, his five hundred cubic centimeters of breath and sixty percent water.
The older, pre-Vatican II pyramidical ecclesiology distinguished between the teaching church (the popes and bishops) and the learning church.
DFW: Well, the analogy breaks down because math and hard science are pyramidical.
This was simply the process by which a vassal took on vassals of his own who followed suit in a system of a pyramidical regress.