--- title: "U.S. stock night market opening fluctuations: Vivakor fell 10.85% in night trading; X-Energy rose 10.48% in night trading" type: "News" locale: "en" url: "https://longbridge.com/en/news/293397936.md" description: "Vivakor fell 10.85% in after-hours trading; X-Energy rose 10.48% in after-hours trading; Advanced Micro Devices rose 19.37% in after-hours trading; AirJoule Tech rose 13.79% in after-hours trading; Rocket Lab rose 8.04% in after-hours trading" datetime: "2026-07-22T00:12:33.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/293397936.md) - [en](https://longbridge.com/en/news/293397936.md) - [zh-HK](https://longbridge.com/zh-HK/news/293397936.md) --- # U.S. stock night market opening fluctuations: Vivakor fell 10.85% in night trading; X-Energy rose 10.48% in night trading **U.S. Stock Night Market Opening Movements** Vivakor fell 10.85% in the night market. Based on recent key news: 1. On July 22, Vivakor announced a standby equity purchase agreement of up to $100 million with institutional investors to enhance liquidity and support operations. This move aims to provide flexible equity financing to support the company's operations, leading to stock price fluctuations. 2. On July 22, technical sentiment signals showed strong sell signals, and the market held a cautious attitude towards Vivakor's long-term contracts and waste management business, affecting the stock price. 3. On July 21, Vivakor's crude oil marketing activities expanded significantly, increasing revenue potential and strengthening industry relationships, but the stock price remained close to its 52-week low, indicating mixed market reactions to its strategy. The volatility in the crude oil market has increased, necessitating attention to risks. X-Energy rose 10.48% in the night market. Based on recent news: 1. On July 21, Oklo and X-Energy joined efforts to accelerate AI-focused nuclear reactors under U.S. President Trump's initiative. This move aims to expedite energy support for artificial intelligence data centers, driving X-Energy's stock price up over 10%. 2. On July 21, the U.S. Department of Energy stated that approximately 300 gigawatts of new nuclear power will be needed by 2050, but no advanced nuclear reactors are currently operating at a commercial scale. This news further heightened market interest in nuclear energy companies, boosting X-Energy's stock price. 3. On July 19, analysts rated Oklo as a moderate buy but did not include it in the top recommended stocks list. Nevertheless, the market remains optimistic about the prospects of nuclear energy companies, indirectly driving up X-Energy's stock price. The nuclear energy industry has recently been propelled by policy support, increasing market attention. **Top Gainers in the U.S. Stock Night Market** Advanced Micro Devices rose 19.37% in the night market. Based on recent key news: 1. On July 21, Advanced Micro Devices announced preliminary quarterly results, with new orders exceeding $60 billion and gross margins far exceeding expectations, leading to a nearly 17% surge in after-hours stock price. This performance reflects strong market demand for its AI servers, driving the stock price up. Source: Reuters 2. On July 21, Advanced Micro Devices expects fourth-quarter revenue to be close to the lower end of the guidance range, but the market is more focused on the recovery of profit margins and strong order backlogs, resulting in a stock price rebound. Source: Guandian.com 3. On July 21, Advanced Micro Devices announced a partnership with SpaceX and xAI to build AI data centers, further highlighting market demand for high-performance servers and enhancing investor confidence. Source: Guandian.com AI infrastructure investment continues to expand, with strong market demand. AirJoule Tech rose 13.79% in the night market. Based on recent key news: 1. On July 22, AirJoule Technologies announced its trademark protection measures, enhancing market confidence in its brand value and driving up the stock price Source: Company official announcement 2. On July 19, Montana Technologies showed volatility during the capital-intensive cycle, reflecting broad market fluctuations in the sustainability sector, which affected investor sentiment towards related stocks. Source: Zhitong Finance 3. On July 19, Direxion Daily META Bear 1X Shares provided inverse exposure to Meta Platforms as a short-term hedging tool, reflecting fluctuations in market sentiment for tech stocks. Source: Zhitong Finance The market sentiment for tech stocks is significantly volatile. Rocket Lab rose 8.04% in after-hours trading. Based on recent key news: 1. On July 22, Rocket Lab secured a $266 million contract from the U.S. government, driving the stock price up. The contract includes 12 suborbital launches, with an option for an additional 6 launches, and the stock price rose about 6% in after-hours trading. Source: Benzinga 2. On July 22, Rocket Lab's stock price rose 5.89% in after-hours trading, trading at $73.19. Source: Benzinga 3. On July 20, Rocket Lab's stock price fell 37% within a month, as Reddit sentiment dropped from 85 to 18. Nevertheless, investors remain optimistic about its 64% revenue growth and $2.2 billion in backlog orders. 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