Definition of Forestalling the market
Securing control of commodities on way to market.
The act of the buying or contracting for any merchandise or provision on its way to the market, with the intention of selling it again at a higher price; or dissuading of persons from bringing their goods or provisions there; or persuading them to enhance the price when there. This was formerly an indictable offense in England, but is now abolished by St. 7 & 8 Viet., c. 24.
That's the definition of Forestalling the market in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.
