Cambodia Securities Exchange CSX

Set up with the help of the Korea Exchange (KRX--Asia's third largest bourse) as a joint venture, with the KRX owning a 45% stake, the CSX currently has 0 companies listed and is hence the world's smallest (the next smallest in terms of companies listed are Mozambique and Laos, with 2 companies apiece, though Laos' has a market capitalization of $0.7 billion compared to Mozambique's $0.4 billion).

Cambodian officials hope that three state-owned companies will list by the end of 2011. The exchange is located in the country's tallest building, OCIC Tower, in the capital, Phnom Penh.

The three companies that have been instructed to list their stock are Telecom Cambodia (telecommunications), Phom Penh Water Supply (energy), Sihanoukville Autonomous Port (commerce).