PetroChina briefly became the first publicly traded company valued at US$1 trillion in 2007.
On November 5, 2007, PetroChina’s shares surged on the Shanghai Stock Exchange, giving the company a market capitalization of roughly US$1 trillion. The valuation was short-lived, and the share price later fell substantially.
PetroChina is the listed subsidiary of China National Petroleum Corporation, one of China’s major state-owned energy groups. Its business covers oil and natural-gas exploration, production, refining, chemicals, and fuel distribution.
This event is often mixed up with Apple’s 2018 milestone. Apple was the first U.S. company to reach US$1 trillion, but PetroChina reached the figure earlier. Market-capitalization records can also vary by exchange, share class, currency conversion, and whether a brief intraday value or a closing value is used.