Rate of Share of Co. which listed in Stock Exchange

Stock prices fluctuate following the principle as simple as Law of Demand..

When demand for a scrip is more,on the exachnge's terminal more bids will be there at prices near to CMP.. and sellers will be willing to sell at a higher price.Hence, the price is bound to go up..

When the demand for a scrip is less,on the exchange's terminal less bids will be there at prices near to CMP.. and buyers will be willing buy only at lower prices.Hence, the price is bound to fall..

Now the reasons behind such nature of demand and Supply may be numerous..

Sens*x and Nifty are benchmark Indices of BSE and NSE respectively.

The movement in their constituent stocks changes their value up and down constantly..