[The US blockbuster data was released! The Nasdaq stock index fell more than 512 points, and the technology "seven sisters" fell across the board. Apple fell more than 1.8%. Nvidia's market value evaporated 1.15 trillion yuan overnight.] On October 31 local time, the three major US stock indexes collectively closed down, and the Dow fell 0.9%; The Nasdaq fell 512.78 points, a decrease of 2.76%; The S&P 500 index fell 1.86%. The "seven sisters" of science and technology fell across the board. (Ranked by market value) Apple fell 1.82%; Nvidia fell 4.72%, with its market value evaporating $161.4 billion (approximately RMB 1148.8 billion) overnight; Microsoft fell 6.05%; Google C fell 1.96%; Amazon fell 3.39%; Meta fell 4.09%; Tesla fell 2.99%.