U.S. stock market seven giants closing report | NVIDIA closed up over 3.9%, Alphabet A rose over 1.5%, Meta fell over 0.8%

On Friday (December 19), the Magnificent 7 index of U.S. tech stocks rose by 1.21%, closing at 206.55 points, with a significant surge in the last moments of trading, accumulating a weekly increase of 1.07%. NVIDIA closed up 3.93%, Alphabet A rose 1.55%, Apple increased by 0.54%, Microsoft was up 0.40%, Amazon gained 0.26%, while Tesla closed down 0.45%, and Meta fell 0.85%. Additionally, AMD closed up 6.15%, TSMC rose 1.50%, Eli Lilly increased by 1.38%, and Berkshire Hathaway Class B shares closed down 1.76%. The "super large" market capitalization tech stock index rose by 1.57%, closing at 396.70 points, with a cumulative weekly increase of 0.51%, showing an overall V-shaped reversal. Besides Tesla, Alphabet A, AMD, Apple, Microsoft, NVIDIA, Meta Platforms, and Amazon, Oracle closed up 6.63%, Broadcom rose 3.18%, Salesforce increased by 0.80%, Qualcomm was up 0.61%, Netflix gained 0.41%, and Adobe rose by 0.01%