U.S. stocks closed, the Dow fell 377 points, the S & P 500 index fell 0.71%, the Nasdaq fell 0.81%. CrowdStrike (CRWD. O) fell more than 11%, Tesla (TSLA. O) fell more than 4%, Microsoft (MSFT. O) fell 0.74%. Nasdaq Jinlong China index initially closed down about 0.9%, popular Chinese concept stocks Bilibili initially closed down 3.5%, Extreme Krypton fell 3.3%, Ideal fell 2.3%, Douyu fell 2%, NIO fell 1.4%, NetEase fell 1.2%, Pinduoduo rose 0.7%, Xiaopeng rose 1.2%, Lukong rose 2% and New Oriental rose 3.1%.