BYD stock briefly hit a record high following the introduction of a new smart-driving system which will be available in most of its models.

BYD opened a new front in China’s electric vehicle price war — adding advanced driver-assistance features across most of its lineup for no extra cost and sending its shares to a record.

Shares in Chinese automaker BYD jumped on Tuesday after it unveiled plans to unroll advanced self-driving technology on nearly all its cars, including budget models priced below $10,000. The company also said it would integrate AI startup Deepseek's software into its cars,