热门中概股美股盘前普跌，百度跌超3%

Group 1 - Major Chinese concept stocks in the US market are experiencing a pre-market decline, with Baidu, Bilibili, and Xpeng Motors dropping over 3% [1] - Alibaba and Li Auto have seen declines of over 2%, while Pony.ai, JD.com, and Pinduoduo are down more than 1% [1] - NIO is also facing a nearly 1% drop in pre-market trading [1]