The European and American stock markets collectively fell, with the Dow down 0.86%, the Nasdaq down 1.53%, and the S&P down 1.26%; Large technology stocks have generally fallen, with Tesla falling more than 15% this week and Nvidia falling nearly 9% this week, both achieving their worst weekly performance in over a year; Popular Chinese concept stocks generally fell, with NetEase Youdao and Kingsoft Cloud falling more than 5%.