--- title: "US tech giants closing report | AMD up over 77% in 2025, Alphabet up about 66%, Taiwan Semiconductor up 56% this month, NVIDIA up less than 39%" description: "On Wednesday (December 31), the index of the seven tech giants in the U.S. fell by 0.60%, closing at 207.53 points, with a cumulative increase of 0.26% in December. In 2025, AMD rose over 77%, Alphabe" type: "news" locale: "en" url: "https://longbridge.com/en/news/271245523.md" published_at: "2025-12-31T21:18:46.000Z" --- # US tech giants closing report | AMD up over 77% in 2025, Alphabet up about 66%, Taiwan Semiconductor up 56% this month, NVIDIA up less than 39% > On Wednesday (December 31), the index of the seven tech giants in the U.S. fell by 0.60%, closing at 207.53 points, with a cumulative increase of 0.26% in December. In 2025, AMD rose over 77%, Alphabet rose about 66%, Taiwan Semiconductor rose 56%, and NVIDIA's increase was less than 39%. Tesla closed down 1.04%, while Meta, Microsoft, Amazon, and others also saw declines. Overall, the mega-cap tech stock index fell by 0.68%, with a total annual increase of over 23.80% On Wednesday (December 31), the Magnificent 7 index of U.S. tech stocks fell by 0.60%, closing at 207.53 points, with a cumulative increase of 0.26% in December and over 22.56% for the year 2025. It dropped to a year-to-date low of 122.15 points on April 7 and has since continued to rise. Tesla closed down 1.04%, while Meta, Microsoft, Amazon, NVIDIA, Apple, and Alphabet fell between 0.88% and 0.27%. Additionally, AMD fell by 0.54%, Eli Lilly dropped 0.47%, Berkshire Hathaway Class B shares decreased by 0.21%, and Taiwan Semiconductor rose by 1.44%. The "mega" market capitalization tech stock index fell by 0.68%, closing at 396.18 points, with a cumulative decline of 1.61% in December and an annual increase of over 23.80%. Apart from Tesla, Alphabet, AMD, Apple, Microsoft, NVIDIA, Meta Platforms, and Amazon, Qualcomm fell by 1.50%, Oracle dropped by 1.17%, Broadcom decreased by 1.07%, and Adobe, Salesforce, and Netflix fell by up to 0.71%. For the entire year of 2025, AMD increased by 77.30%, Alphabet rose by 65.99%, Taiwan Semiconductor gained 55.72%, Broadcom rose by 50.63%, NVIDIA increased by 38.92%, Oracle, Microsoft, Qualcomm, Meta, and Tesla rose between 18.13% and 11.36%, Apple increased by 9.05%, and Amazon rose by 5.21%; Salesforce, on the other hand, fell by 20.25%, and Adobe dropped by 21.29% ### Related Stocks - [GOOGL.US - Alphabet](https://longbridge.com/en/quote/GOOGL.US.md) - [NVDA.US - NVIDIA](https://longbridge.com/en/quote/NVDA.US.md) - [TSM.US - Taiwan Semiconductor](https://longbridge.com/en/quote/TSM.US.md) ## Related News & Research | Title | Description | URL | |-------|-------------|-----| | Whittier Trust Co. Sells 5,128 Shares of Alphabet Inc. $GOOGL | Whittier Trust Co. reduced its stake in Alphabet Inc. (NASDAQ: GOOGL) by 2.0% in Q3, selling 5,128 shares, leaving it wi | [Link](https://longbridge.com/en/news/275301901.md) | | Eu antitrust regulators investigating Google over its sale of search adverts in Europe, letter to advertisers shows | Eu antitrust regulators investigating Google over its sale of search adverts in Europe, letter to advertisers shows | [Link](https://longbridge.com/en/news/275794316.md) | | Humanoid startup Apptronik raises $520 million with backing from Google and Mercedes-Benz | Humanoid robotics startup Apptronik has raised $520 million in a funding round led by Google and Mercedes-Benz, valuing | [Link](https://longbridge.com/en/news/275617164.md) | | Taiwan Semiconductor Manufacturing (TSM) CEO C.C. Wei Just Delivered Fantastic News for Nvidia Investors | Taiwan Semiconductor Manufacturing (TSMC) CEO C.C. Wei announced record monthly sales of NT$401.26 billion, a 37% year-o | [Link](https://longbridge.com/en/news/275566056.md) | | Taiwan says its companies should decide on pledged US investments | Taiwan has pledged $250 billion in investments in the U.S., with companies deciding on spending. President Lai Ching-te | [Link](https://longbridge.com/en/news/275867858.md) | --- > **Disclaimer**: This article is for reference only and does not constitute any investment advice.