Why is PetroChina stock falling today?

PetroChina Co experienced a 3.4% drop to HK$10.44 on Thursday, as the stock price fell due to a significant and ongoing reduction in global crude oil prices. This decline followed the Democratic Party's victory in the U.S. midterm elections, leading markets to believe that the Trump administration would face increased pressure to seek a diplomatic solution to the ongoing U.S.-Iran conflict.

The conflict had been a major contributor to high energy prices, and its resolution could result in a surge in oil supply and a drastic drop in prices for integrated producers like PetroChina. The oil prices had already dropped by more than 8% in the previous session, with both major contracts falling below $100 per barrel for the first time since early October, causing further losses in today's trading.

The decline directly impacted PetroChina's near-term earnings outlook, as higher realized oil prices were the main driver behind the company's record net profit of nine months, which grew by 22% year-on-year. Other companies in the same sector, CNOOC and Sinopec, also faced declines in Hong Kong trading, indicating that the selloff was a widespread reaction across the energy sector rather than an issue specific to PetroChina.

Interestingly, the macro backdrop created a noticeable contrast within the Hong Kong market: while the Hang Seng Index surged by more than 3%, non-energy sectors benefited from the anticipated lower fuel costs, easing inflation concerns, and falling Treasury yields.