Deep Tide TechFlow news, on December 19, the US stock market closed on Wednesday, the Dow initially fell by 2.58%, setting a record for the longest single-day consecutive decline since 1974 (falling for the 10th consecutive trading day); the S&P 500 index fell by 2.95%, and the Nasdaq fell by 3.6%. Tesla (TSLA.O) dropped by 8.28%, and Nvidia (NVDA.O) fell by 1.14%. The fear index VIX at one point rose by 78.0% during the day, and after the US stock market closed, it temporarily reported 28.32. (Jin Shi)