美股三大指数集体高开，纳指涨0.65%，英伟达涨超3%

Group 1 - The three major U.S. stock indices opened higher, with the Dow Jones up 0.29%, the Nasdaq up 0.65%, and the S&P 500 up 0.26% [1] - Nvidia shares rose over 3% as the company projected a business scale of $500 billion over the next six quarters [1] - Caterpillar's stock increased by more than 6% [1] Group 2 - Futu Holdings saw its shares rise over 3% [1] - Kingsoft Cloud's stock increased by more than 2% [1]