港股汽车板块多股低开，理想汽车跌超2%

Group 1 - The core viewpoint of the news is that the Hong Kong stock market's automotive sector experienced a decline, with several companies showing significant drops in their stock prices [1] Group 2 - Li Auto's stock fell by over 2% [1] - Xpeng Motors' stock decreased by nearly 2% [1] - Other companies in the sector, including BYD, Leap Motor, and NIO, also saw declines in their stock prices [1]