美股开盘，热门中概股走高

Market Overview - The three major U.S. stock indices opened higher, with the Dow Jones up 0.37%, S&P 500 up 0.23%, and Nasdaq up 0.19% [2] - Futures for all three indices also showed positive movement, with Dow futures up 0.31%, S&P 500 futures up 0.20%, and Nasdaq futures up 0.11% [3] Company Performance - Alibaba's stock rose over 2% during the trading session [2] - NIO's stock increased by more than 6%, following the pre-sale announcement of its new ES8 model, with starting prices at 416,800 yuan for the luxury version and 308,800 yuan for the battery rental option [3] - Miniso's stock surged nearly 9%, driven by a Q2 revenue growth of 23% year-over-year, exceeding expectations [3]