The business of taking advantage of difference in price of a security traded on two or more stock exchanges, by buying in one and selling in other.

This is the price of a security at the beginning of the trading day which is used to determine the Day Minimum/Maximum and the Operational ranges for that day.

Bid is the price at which the market maker buys from the investor and offer is the price at which he offers to sell the stock to the investor.

Basket trading is a facility by which investors are in a position to buy/sell all 30 scrips of Sensex in the proportion of current weights in the Sensex, in one go.

When the price of a stock surpasses its initial high (resistance level) or falls below the initial low (support level), it is termed as break out in technical analysis.

Temporary reversal of trend in share prices. This could be a reaction (a decrease following a consistent rise in prices) or a rally (an increase following a consistent fall in prices).

This is the right, but not the obligation, to purchase shares at a specified price at a specified date in the future. See Options. For this privilege, the buyer pays a premium which would be a fraction of the price of the underlying security. You are gambling that the share price will rise above the option price. If this happens you can buy the shares and sell them immediately for a profit. If the share price does not rise above your option price, you do not exercise the option and it expires - all you have lost is the initial payment made to purchase the option

The total value of the company in the stock market. This value is arrived at by multiplying the number of shares in issue by the company's share price. This market capitalization obviously fluctuates as the share price moves up and down.

When a stock price increases or decreases by a certain percentage in a single day it hits the circuit breaker. Once the stock hits the circuit breaker, trading in the stock above (or below) that price is not allowed for that particular day.

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