Stock market brings buyers and sellers together in a marketplace. It is centralised, transparent; employs cash settlement only. SEBI is the Regulatory Authority for the Indian Securities Market. Its role is to protect the interests of shareholders.
There is a primary (IPO) and secondary market (post IPO).
An individual who purchases a share in a company becomes a share holder;
Bonus-you get an additional shares. The FV remains unchanged.
Split- stock is split; FV changes. 1:2 stock split on a Rs.10/- FV stock, yields 2 shares with a FV of %s.5/- each.
Sensex, Nifty are indices; difference between trading and investing.