speculator

a speculator who trades aggressively on stock or commodity markets

(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases n

n a polyhedron having a polygonal base and triangular sides with a common vertex n (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases n a massive monument with a square base and four triangular sides

an attempt by speculators to defraud investors v

n a sudden short attack n an attempt by speculators to defraud investors v search without warning, make a sudden surprise attack on v enter someone else's territory and take spoils v take over (a company) by buying a controlling interest of its stock v search for something needed or desired