Trading

Hi,
Please find below the response to your queries-

Your Question 1 :: can buy nse and sell in bse full details
Of course, we can. This is what most traders do and is commonly called as arbitrage opportunities. However, intraday traders cannot buy shares on the NSE and sell on BSE.

Your Question 2 :: will stock price will affect company ?
The company gets the money during IPO and price changes of a stock affect only the buyers and sellers of the stock. so, the stock price may not impact the performance of the company, but the performance of the company may influence the stock price.
Hence the stock price is driven by company performance and the company does not affect by the buying and selling the shares. However, the share price may have an indirect impact on the company performance, for example, a declining share price will make it hard to get a loan, can’t attract further investors, difficult to build partnerships, goodwill etc…