regrate
/rɪˈɡreɪt/
verb
- To buy up goods (especially food) in order to sell them again at a higher price in the same market; to profiteer by hoarding and reselling.
- In medieval times, merchants who regrated grain were punished by the local authorities.
- The law was created to prevent anyone from regrating essential supplies during a shortage.
- He was accused of regrating tickets for the concert and selling them at double the price.