No it's not neccesory.
Stockbrokers make money when they sell you shares and also make when they sell your shares.
Yes, you can sell your Twitter stock if you own shares of the company.
It can sell shares of stock.
stock
A place where you can buy and sell shares of stock is usually called a "stock exchange" in English and a bourse in French.
Topshop is a public limited company this means they can sell their shares in the stock exchange and they can sell shares to the public.
stock exchange
buy and sell shares
it it bad news when a ceo sell his shares
they want to earn money
if u have a trading account u can sell or buy stock directly..
stockbroker A+ users.