美股中概股盘前普涨

Group 1 - US-listed Chinese stocks experienced a pre-market rally, with Alibaba rising by 9% [1] - Baidu saw an increase of 5% in pre-market trading [1] - JD.com gained 3% in the same period [1] Group 2 - Bilibili and NIO both rose by 2% [1] - Pinduoduo and Trip.com increased by 1% [1] - BeiGene saw a modest rise of 0.5% [1]