US stock market opens: The three major US stock indices have different ups and downs The three major indexes of the US stock market have fluctuated, with the S&P 500 index up 0.07%, the Dow Jones Industrial Average up 0.36%, and the Nasdaq down 0.05%. In terms of Chinese concept stocks, Ideal Auto fell 1.08%, Bilibili fell 1.27%, and NIO fell 3.69%.