Stocks/shares are traded in stock market.
Company initially raise the fund through IPO(primary market).
Stock are traded in secondary market.
Stock trading in secondary market will not affect company fund value.
Promoter is a founder of the company.
Share holder have no right to ash divident, bonus from company.
In Stock split face calue of stock chanded.
But in bonus issue share face value remain same.
Both bonus & stock split no of shares getting changed.
In NSE narket futures and options are available.
SEBI regulates the stock exchanges..