World's 15 most valuable companies
(Mcap figures as of Jan 5, 2011)
1. Exxon Mobil Corporation is the world's largest company in terms of market capitalisation. An American multinational oil and gas corporation, Exxon Mobil was formed on November 30, 1999, with the merger of Exxon and Mobil. Headquartered in Irving, Texas, ExxonMobil is one of the largest publicly traded companies in the world. Exxon Mobil is also the world's largest refiner. Mcap: $377.69 billion
2. Apple Inc
M-cap: $331.29 billion
On the first day of stock trading in 2011, Apple's market capitalisation crossed the $300 billion mark, ending the day at $302.32 billion. Apple shares topped $300 in October, 2010 which put the company's value at about $274 billion. Best-known for the Macintosh line of computers, the iPod, the iPhone and the iPad, Apple has today grown to become one of the world's biggest tech companies. 3. BHP Billiton
M-cap: 254.13 billion
BHP Billiton is the world's largest mining company and the largest company in Australia by market capitalisation. It was created in 2001 by the merger of Australia's Broken Hill Proprietary Company (BHP) and the Anglo-Dutch Billiton. BHP Billiton is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index. 4. Petro China
M-cap: 241.58 billion
PetroChina Company is the largest oil and gas producer and distributor in China. It was the world's most valuable company in September 2010. 5. Microsoft
M-cap: $240.30 billion
Microsoft Corporation manufactures, licenses, and supports a wide range of products and services related to computing. The rise of stock in the company's 1986 IPO made an estimated four billionaires and 12,000 millionaires among Microsoft's employees.
M-cap: $237.72 billion
Petrobras is the largest company in Latin America by market capitalisation and revenue. Petrobras controls significant oil and energy assets in 18 countries in Africa, North America, South...
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