Share market is the market place where the shares of different companies will be listed and purchased and sold among different buyers and sellers.companies will bring their shares to the stock market through the IPO which means Initial Public Offering where company will first time sells its shares to the open public. When company need additional capital or Fund required then company will go for the IPO so the share will be listed. If the companies share is listed then only public can purchase that particular companies share in share market. Share market has its own time and working days which is depend on different countries. In working days only one can purchase and sell the shares.