BUSINESS
03/24/2011 03:44 pm ET | Updated May 25, 2011

Monopolies Of Today: Companies With Huge Market Shares

A common definition of a monopoly is when a company has such effective control of its market that it can set prices and stifle innovation by depriving competition of any chance of profit. The offending company only has to continue to do extraordinarily well in its field regardless of what antitrust regulators have to say. 24/7 Wall St. found ten instances that could be considered de facto monopolies though the government will not take action in each case.

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