美股中概股盘前涨跌互现，蔚来涨1%，阿里巴巴跌0.5%

Group 1 - U.S. Chinese stocks showed mixed performance in pre-market trading on January 16, with NIO rising by 1% [1] - Alibaba experienced a decline of 0.5% in pre-market trading [1] - Xpeng Motors and Trip.com also saw decreases, with Xpeng down by 0.8% and Trip.com down by 2% [1]