corner the market

corner the market idiom
Buy all or most of a commodity or stock so that its price goes up. For example, In a famous maneuver the Hunt brothers cornered the market in silver. This idiom uses corner in the sense of “drive would-be buyers into a corner.” [Early 1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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