When Buyers Bid price matched with Seller Ask Price the Trade will executed at the particular price. Broker will forward the Buy and Sell order to Exchange. Exchange – Transfer the shares and Money after collecting the required statutory charges. SEBI- Regulate and Control the Exchange and Brokers. Government- Overall Monitoring. Bank- Transfer the money. Positional Trading: Buying for holding some time and Sell the stock it is owning.
Intraday Trading: Buying to sell within a day without idea of holding and Sell to Buy within a day to make money.Zero-sum is a situation in game theory in which one person’s gain is equivalent to another’s loss, so the net change in wealth or benefit is zero. A zero-sum game may have as few as two players, or millions of participants. If it stock price going upward the book value of the company will increase and vice versa.