As its name suggests, PetroChina Company Ltd is the listed arm of state-owned China National Petroleum Corporation (CNPC). It is China's biggest oil producer, and is listed in Hong Kong, New York, and Shanghai.

Lack of Russia deal lifts PetroChina's shares

PetroChina's share price bucked the market gloom yesterday, going up by as much as 5 per cent on speculation it would benefit from Beijing and Moscow's failure to reach a long-term gas supply agreement this week.