stock - n. a share in ownership of a company. The stock of public companies is traded on stock exchanges.

technology – n. the use of scientific knowledge and methods to produce goods and services

market – n. a place or area where goods are sold, bought or traded; an economic system in which the prices of things are decided by how many there are and how much money people are willing to pay for them

public – adj. of or about all the people in a community or country; opposite private

economy – n. the system by which money, industry and trade are organized