Wiktionary
vb. 1 (context idiomatic business finance English) To monopolize a resource or commodity, as with the intent of driving up prices. 2 (context idiomatic by extension English) To have exclusive possession; to possess something to a high or excessive degree.
Usage examples of "corner the market".
Zeth before the plague broke out that you wanted to corner the market in beans.
When a trader sees someone trying to corner the market, he assumes the reason is that there’.
And as there is so much prestige, pride, power and above all profit in running a highly successful racing car, it was at first thought that a manufacturer or, more likely, a race team owner was trying to corner the market for himself.
Anyone who could corner the market on telepaths could control the galaxy.
If I could beat the Bay long enough I could corner the market on these commodities, and no matter how many Names were involved they would find all the property registered in my name.
Being threatened by a wild animal wasn't the distraction Willow would have picked, but it took her mind off the dreadful possibility that a wicked super witch was plotting to corner the market on magick.