Prime purpose of this article is to Define and Discuss on Share Trading. Share trading affects the market positively as well given it creates liquidity out there. Liquidity is the power for conversion from security to cash. Shares trading also determine on-line of a company. The greater the value of the shares of a company in trading, greater valuable that company is actually. It also increases their likelihood of getting more financing for his or her company. It can be said that this value of the shares of a company is partly liable for its success. Share trading is the trade or exchange of such stock shares. This trading is completed between brokerage firms or individuals.