There are approximately 5461 companies listed on the Bombay Stock Exchange (BSE) of varying sizes, spread across sectors and industries. Usually, when we refer to the size of a company we allude to its market capitalisation. Market capitalisation is simply the total value of all the outstanding shares of a company. It is calculated by multiplying the prevailing market price of each share with the total no of outstanding shares of the company. Size or market capitalisation can be indicative of the company’s current and future growth potential, as well as, the investment risk associated with it. In terms of market capitalisation, companies are classified as large-cap, mid-cap, and small-cap.