US stock market seven giants closing report | NVIDIA closed down nearly 4.4%, Tesla fell about 4.2%, and Apple and Amazon both dropped at least 3.4%

On Tuesday (January 20), the Magnificent 7 index of U.S. tech giants fell by 3.08%, closing at 198.30 points. It opened lower after the long weekend and began to accelerate its decline smoothly from 01:00 Beijing time after a period of "high-level fluctuations." Among the constituent stocks, NVIDIA fell by 4.38%, Tesla by 4.17%, Apple by 3.46%, Amazon by 3.40%, Meta by 2.60%, Alphabet - A by 2.42%, and Microsoft by 1.16%. Outside the constituent stocks, TSMC fell by 4.45%, Berkshire Hathaway Class B shares dropped by 1.60%, AM rose by 0.04%, and Eli Lilly rose by 0.28%. The "mega" market capitalization tech stock index fell by 3.02%, closing at 380.95 points, and after opening lower, it also began to expand its decline smoothly from 01:00. In addition to Tesla, Alphabet - A, AMD, Apple, Microsoft, NVIDIA, Meta Platforms, and Amazon, Oracle fell by 5.85%, Broadcom by 5.43%, Qualcomm by 3.36%, Salesforce by 3.10%, Adobe by 1.94%, and Netflix by 0.84%