热门中概股盘前多数上涨：禾赛涨近4%，金山云涨超3%

Group 1 - The core viewpoint of the article highlights the performance of popular Chinese concept stocks, with most showing an upward trend in pre-market trading [1] - Hesai Technologies saw an increase of nearly 4% [1] - Kingsoft Cloud experienced a rise of over 3% [1] - Baidu's stock price increased by more than 1% [1] Group 2 - In contrast, AI application stocks faced declines, with SAP SE dropping nearly 3% [1] - Applovin fell by nearly 2% [1] - Both Palantir and Snowflake saw declines of over 1% [1]