美股中概股盘前涨跌互现，携程涨2%

Core Viewpoint - US-listed Chinese stocks showed mixed performance in pre-market trading, with some companies experiencing gains while others faced declines [1] Group 1: Stock Performance - Ctrip saw an increase of 2% [1] - ZTO Express and NIO both rose by 1% [1] - Futu Holdings experienced a slight gain of 0.5% [1] - Alibaba's stock declined by 0.8% [1]