Their ability to manipulate the market for short periods is also obvious around options expirations each month.

FORBES: Program Trading Needs To Be Banned

It also means ensuring that risk-management systems can alert senior managers if their repo traders might be trying to manipulate the market.

ECONOMIST: Repurchase agreements

Earlier this week the stock-data provider Nanex told my colleague that firms send in massive orders on purpose to manipulate the market.

FORBES: Welcome to the Stock Bazaar

The DOJ and the SEC are reportedly investigating if high speed traders are placing and canceling waves of orders in the attempt to manipulate the market.

FORBES: High Frequency Traders -- Cost Reducers or Criminals?

Unfortunately, history suggests that whenever the nation contemplates serious actions to reduce its addiction to petroleum, OPEC steps in to manipulate the market and keep us hooked.

CENTERFORSECURITYPOLICY: Energy Freedom Now

He was in charge of fixed-income trading at Salomon at the time of a bond-trading scandal in 1991, in which traders under Meriwether made false bids in an effort to manipulate the market in two-year notes.

FORBES: Reincarnation on Wall Street: Screw-Ups Never Die

Mandates reduce the ability of any specific party to manipulate or hinder the market by limiting access to biofuels.

FORBES: Khosla Speaks

Mr Buffett may have been forced to go public after a lawsuit was filed last week against Phibro, the commodities arm of the Travelers financial-services group, alleging that it was trying to manipulate the silver market.

ECONOMIST: Warren Silverfinger

Rather than intervening in the market to manipulate prices, the government could respond to a winter fuel crisis by giving all its heating-oil subsidies to poor consumers (though that would do nothing to win over other voters).

ECONOMIST: Cutting the oil price

Men like Rockefeller and Carnegie colluded to control prices, eliminate competition, and manipulate the free market in the name of their own narrow interests.

CNN: Edwards' October 13, 2007, speech on restoring democracy