The three major US stock indexes collectively closed down, with the NASDAQ down 2.72% and a cumulative decline of 7.55% this week; The S & P 500 index fell 1.89% and fell 5.69% this week; Both the S & P 500 index and the NASDAQ index recorded the largest weekly decline since late March 2020; The Dow fell 1.3% and fell 4.58% this week, the largest weekly decline since November 2020. Naifei fell by nearly 22%, and the guideline for the number of new users in Q1 was far lower than the market expectation; Didi fell more than 9%, and the regulatory authorities interviewed and reminded 8 new business platform companies such as didi freight. OKTA fell more than 9%, Disney fell more than 6%, Netease, Amazon, pinduoduo and Tesla fell about 5%, Boeing fell more than 4%, Google fell more than 2% and apple fell more than 1%.