热门中概股，盘前多数上涨

Group 1 - Gold mining stocks declined due to softening gold prices, with Newmont down 3%, Sibanye Stillwater down 5.8%, Barrick Gold down 2.4%, and Harmony Gold down 4.2% [1] - Silver mining stocks also fell, with Hecla Mining down 3.3%, Coeur Mining down 3.3%, Silvercorp Metals down 3.1%, and Endeavour Silver down 3.8% [1] Group 2 - Popular Chinese concept stocks mostly rose, with Hesai up nearly 4%, Kingsoft Cloud up over 3%, and Baidu up over 1% [1] - AI application stocks experienced declines, with SAP SE down nearly 3%, Applovin down nearly 2%, and both Palantir and Snowflake down over 1% [1]