China: Petro China · Global Voices
Oiwan Lam

Jay Sheng from Shanghaiist reports on how Petro China becomes the world's most valuable company via the bubbling Chinese stock market: PetroChina’s value is more than twice that of Exxon Mobil, even though the latter generated four times as much revenue and trades at only a quarter of PetroChina’s price to earning ratio.