On February 21, the U.S. stock market opened, the Dow fell 305 points, the S & P 500 index was close to flat, and the Nasdaq index rose 0.17%. Rivian (RIVN. O) fell 6%, the company warned that sales may slow this year. Coinbase (COIN. O) rose 3.3%, the company said the SEC dropped the lawsuit. Nasdaq China Golden Dragon index rose 1.9%, the constituents of Alibaba (BABA. N) rose 4%, Kingsoft Cloud (KC. O) rose 6%, Bilibili (BILI. O) rose 5%.