pin-hooker
/ˈpɪnˌhʊkə/US informal
noun
1A speculator who buys tobacco when the price is low, in the expectation of selling it on later at a profit.
2Chiefly Horse Racing. A person who buys livestock (now especially a very young racehorse) cheaply, in the expectation of selling it on later at a profit.
Origin
Late 19th century; earliest use found in Landmark (Statesville, North Carolina). From pinhook + -er.