China Out of World 10 Biggest Stocks as PetroChina Ousted by J&J

China Out of World 10 Biggest Stocks as PetroChina Ousted by J&J

Munshi Ahmed/Bloomberg

PetroChina, the most valuable company in the world as recently as March 2010, has lost 28 percent this year in Hong Kong trading, wiping out $51 billion in value.