On February 20th local time, the three major indexes of the US stock market collectively closed lower. Nvidia, which is about to release its financial report, fell more than 6% during the day, with a total market value evaporating over 550 billion yuan in a single day. As of the close, the Dow Jones Industrial Average fell 0.17%, the Nasdaq fell 0.92%, and the S&P 500 index fell 0.60%.