--- title: "Pre-market hot trades in US stocks: Aterian up 8.41% in pre-market; U Power down 7.01% in pre-market" type: "News" locale: "en" url: "https://longbridge.com/en/news/298026205.md" description: "Aterian pre-market up 8.41%; U Power pre-market down 7.01%; Immuron pre-market up 43.14%; Green Planet Group pre-market up 30.67%; Baosheng Group pre-market up 25.40%" datetime: "2026-09-04T10:38:09.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/298026205.md) - [en](https://longbridge.com/en/news/298026205.md) - [zh-HK](https://longbridge.com/zh-HK/news/298026205.md) generator: "portal-rs" --- # Pre-market hot trades in US stocks: Aterian up 8.41% in pre-market; U Power down 7.01% in pre-market **Popular Pre-Market Trades in US Stocks** Aterian is up 8.41% in pre-market trading. Aterian is up 8.41% in pre-market trading. There have been no significant news recently; trading is active, and capital flows are evident. Considering sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. no\_news U Power is down 7.01% in pre-market trading. Based on recent key news: 1. On September 4, U Power announced a 20-for-1 reverse stock split scheduled for September 9. This move may raise market concerns about its liquidity and shareholder equity, potentially affecting the stock price. 2. On September 4, technical sentiment signals indicated a strong sell, leading the market to hold a pessimistic view on U Power's short-term prospects, putting pressure on the stock price. 3. On September 3, U Power was listed on the Nasdaq Capital Market, indicating its intention to seek financing from international capital markets, but its current market capitalization is only $21.45 million, which may limit its financing capabilities. The market reacted cautiously to the merger plan, increasing volatility. **Top Gainers in Pre-Market Trading in US Stocks** Immuron is up 43.14% in pre-market trading. Based on recent key news: 1. On September 4, Immuron entered into an exclusive distribution agreement with Calmino group AB to introduce PROIBS® to the US market. This move is seen as an important strategic expansion of the company's product line, driving the stock price up 43.14%. Source: Zhitong Finance 2. On September 4, Immuron announced the execution of the exclusive distribution agreement for PROIBS® in the US market, further solidifying its market position and boosting investor confidence. Source: Zhitong Finance 3. On September 4, despite uncertainties regarding R&D results and the timing risks of clinical trials, Immuron's strategic agreement is still viewed as a positive market signal, supporting the stock price increase. Source: Zhitong Finance. Recent trends in the pharmaceutical industry show significant expansion. Green Planet Group is up 30.67% in pre-market trading. Based on recent news: 1. On September 2, Green Planet Group announced a strategic partnership with AI startup K25.ai, with an investment amount of $250 million. This move is seen as a significant step in the company's transformation, driving the stock price sharply higher. 2. On September 1, Green Planet Group released its latest financial report, showing a 13% decline in core business revenue. Nevertheless, the company stated it would enhance overall performance through diversified investments, boosting investor confidence. 3. On August 31, Green Planet Group announced its participation in the National Cancer Institute's latest AI-driven tumor research project. This news further raised market expectations for the company's future development, leading to a corresponding increase in stock price. Market interest in AI and digital asset investments has increased, driving related stocks up. Baosheng Group is up 25.40% in pre-market trading. Based on recent key news: 1. On September 3, Baosheng Group indicated in SEC filings that it might issue securities worth up to $300 million. This news has sparked market interest in the company's financing capabilities, driving the stock price up 2. On September 2, Baosheng Group announced the indefinite postponement of the special shareholders' meeting originally scheduled for September 4. The postponement of the meeting may reduce market concerns about corporate governance issues, further supporting the rise in stock prices. 3. On September 3, Baosheng Group is transitioning to an AI-driven short video marketing technology platform, aiming to achieve differentiation in the U.S. public market. This strategic transformation is viewed by the market as a positive development, enhancing investor confidence. 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