部分明星中概股美股盘前走低，小鹏汽车盘前跌4%

Group 1 - Some prominent Chinese concept stocks in the US market experienced a decline in pre-market trading on December 2nd [1] - Xiaopeng Motors saw a pre-market drop of 4% [1] - Alibaba and Bilibili also faced declines, with drops of 1.4% and 1.3% respectively [1]