--- title: "Pre-market hot trades in the US stock market: Rubico pre-market down 7.26%; Bloom Energy pre-market up 4.62%" type: "News" locale: "en" url: "https://longbridge.com/en/news/294826959.md" description: "Rubico pre-market down 7.26%; Bloom Energy pre-market up 4.62%; TNL Mediagene pre-market up 108.00%; Corvex pre-market up 97.68%; RISING DRAGON ACQUISITION CORP COM USD0.0001 15/11/2028 (SUBS/RT) pre-market up 88.01%" datetime: "2026-08-04T12:48:07.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294826959.md) - [en](https://longbridge.com/en/news/294826959.md) - [zh-HK](https://longbridge.com/zh-HK/news/294826959.md) generator: "portal-rs" --- # Pre-market hot trades in the US stock market: Rubico pre-market down 7.26%; Bloom Energy pre-market up 4.62% **Pre-market Hot Trades in US Stocks** Rubico, down 7.26% in pre-market trading, has no significant news recently. The trading is active, with clear capital flows. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. Bloom Energy is up 4.62% in pre-market trading. Based on recent key news: 1. On August 4, Mizuho gave Bloom Energy a buy rating, leading to a 6.62% intraday price increase. This rating indicates a high level of market attention on the stock, driving a price rebound. 2. On August 1, Bloom Energy has risen nearly 450% over the past year but has fallen 45% from its peak. This extreme volatility reflects market disagreements regarding its valuation. 3. On August 1, analysts pointed out that Bloom Energy's valuation is attractive and emphasized its financing capabilities and technological advantages, expecting a 31.96% upside potential in its stock price. The energy sector is experiencing increased volatility, and investors should be cautious. **Top Gainers in Pre-market US Stocks** TNL Mediagene is up 108% in pre-market trading. Based on recent key news: 1. On August 2, TNL Mediagene faced capital cost challenges in the digital media and electric aviation sectors. The company launched $500 million in convertible senior notes in the third quarter to support its commercialization efforts. This move indicates the company is seeking funding support in the capital markets, which may be one reason for the significant stock price increase. Source: Public Technologies 2. On August 3, TNL Mediagene issued a statement emphasizing that its forward-looking statements should not be relied upon. This may trigger market attention on the company's future development, further driving stock price volatility. Source: Public Technologies 3. On August 4, TNL Mediagene updated information from its press conference, which may raise investor concerns about the company's information transparency, affecting stock price volatility. Source: Public Technologies The capital costs in the digital media and electric aviation sectors are high. Corvex is up 97.68% in pre-market trading. Based on recent key news: 1. On August 4, Corvex announced a multi-year agreement with a leading artificial intelligence company to provide clusters equipped with NVIDIA Blackwell GPUs and Quantum-2 InfiniBand networks. This news drove the stock price up nearly 100% in pre-market trading. Source: PR Newswire 2. On August 4, Corvex released related information through PR Newswire, emphasizing the importance of the agreement and its positive impact on the company's future development. Source: Public Technologies On August 2, the market expects approximately 176.74 million MOVE tokens, valued at about 1.33 million USD, to be unlocked on August 9, which may impact the related markets. Source: ChainCatcherAI The industry is growing rapidly, with significant capital inflows. RISING DRAGON ACQUISITION CORP COM USD0.0001 15/11/2028 (SUBS/RT) pre-market rose by 88.01%, with no significant news recently. The trading is active, and capital flows are evident. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation ### Related Stocks - [RUBI.US](https://longbridge.com/en/quote/RUBI.US.md) - [BE.US](https://longbridge.com/en/quote/BE.US.md) - [TNMG.US](https://longbridge.com/en/quote/TNMG.US.md) - [MOVE.US](https://longbridge.com/en/quote/MOVE.US.md) - [RDACR.US](https://longbridge.com/en/quote/RDACR.US.md) ## Related News & Research - [Bloom Energy Calls Its Fuel Cells "Lego Blocks." Here's Why That Word Choice Is the Whole Investment Thesis.](https://longbridge.com/en/news/296609061.md) - [Nvidia Stock Trades at a Reasonable Valuation With Ample Growth Headroom](https://longbridge.com/en/news/296686262.md) - [The AI Boom Has a New Chip Shortage. 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