The market capitalization of the Colombo Stock Exchange (CSE) crossed the Rs.3 trillion mark yesterday (04).

Accordingly, the market capitalization at the end of yesterday's trading session was Rs. 3,013,426,581,096.

Ceylon Tobacco Company (CTC) is the largest listed company in Colombo Stock Exchange in terms of market capitalization of Rs.211 billion. John Keells Holdings is in the second place with a market capitalization of Rs.197 billion and Dialog Axiata in the third place with a market capitalization of Rs.102 billion.

Market capitalization, or "market cap"  is calculated by multiplying the total number of a company's outstanding shares by the current market price of one share. Market cap is used to size up corporations and understand their aggregate market value.

Here are the top 25 largest publicly traded companies on Colombo Stock Exchange by market capitalization.