The closest thing I can think of is a day trader--someone who gets out of all her positions before the end of the trading day. This is an EXTREMELY risky practice and most people who try it lose their asses, but it's possible to make money doing it if you have a very keen sense of the market.
The answer is a STAG.
stock
it is called a corporation.
a person who sells rockets is called a rocket salesman
the person who sells fruit called in Tagalog: magpuprutas
Yes the word stockbroker is a noun. It is a person who buys and sells shares.
It is called a stable investment maybe idk
The person that makes and sells sweets is called a confectioner.
A person who sells slaves is normally called a 'slave trader', or 'slave broker'.
a person who sells peanuts is called a peanut seller,peanut wender or hawker
a person who sells bhel is called a bhel seller,bhel wender or hawker
A person who sells stationary is typically called a stationer or a stationary store owner.