美股三大指数集体低开，中概股普跌

Market Overview - On November 7, major US stock indices opened lower, with the Dow Jones down 0.48%, S&P 500 down 0.56%, and Nasdaq down 0.84% [1] - Large-cap tech stocks experienced a broad decline, with AMD falling over 2%, and Tesla, Nvidia, and Oracle each dropping over 1% [1] Chinese Stocks Performance - The Nasdaq Golden Dragon China Index initially fell by 1.35%, with popular Chinese concept stocks also declining [1] - Notable declines included Xiaoma Zhixing down nearly 7%, Wenyan Zhixing down over 5%, XPeng down over 3%, Alibaba down 2.8%, and JD.com down 1.5% [1]