An individual or company which is influential enough to affect the price of an item.  Someone who holds a large majority of a stock would likely affect the price of the stock if they bought or sold it.  The term is most often applied to companies, specifically those who have a monopoly in their market, and are therefore able to choose and demand a specific price for their goods.  Companies or individuals can exert varying degrees of influence, so it is not always easy to classify someone as a price maker.  opposite of price taker.
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