--- title: "Pre-market hot trades in US stocks: Atlassian up 4.70% in pre-market; IonQ down 3.04% in pre-market" type: "News" locale: "en" url: "https://longbridge.com/en/news/286901371.md" description: "Atlassian pre-market up 4.70%; IonQ pre-market down 3.04%; Rubico pre-market up 220.23%; Amesite pre-market up 173.46%; MetaVia pre-market up 67.57%" datetime: "2026-05-19T11:12:34.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286901371.md) - [en](https://longbridge.com/en/news/286901371.md) - [zh-HK](https://longbridge.com/zh-HK/news/286901371.md) --- # Pre-market hot trades in US stocks: Atlassian up 4.70% in pre-market; IonQ down 3.04% in pre-market **Pre-market Hot Trades in US Stocks** Atlassian is up 4.70% in pre-market trading. Based on recent key news: 1. On May 19, a FactSet survey showed that analysts lowered the median target price for Atlassian from $120 to $115, a decrease of 4.17%. Although analysts remain generally optimistic about the company, the stock price has fallen 4.17% over the past five days, contrasting with a slight increase in the S&P 500, indicating poor short-term stock performance. Source: FactSet 2. On May 16, Simply Wall St released an analysis emphasizing that its analysis did not consider the latest company announcements or qualitative materials, reminding investors to be aware of potential risks. While this analysis does not constitute buy or sell advice, it alerts investors to pay attention to the fair value of the stock price. Source: Simply Wall St. Recent fluctuations in US stocks have intensified, requiring attention to risks. IonQ is down 3.04% in pre-market trading. Based on recent key news: 1. On May 18, IonQ achieved several technological milestones in quantum computing, with orders accelerating, and the market expects rapid growth in the global quantum computing market. Nevertheless, technical uncertainties and the macro interest rate environment have led to stock price volatility. Source: Zhitong Finance 2. On May 17, IonQ's market capitalization far exceeded its one-year average, with significant fluctuations in its valuation, requiring investors to be cautious of risks. Source: Simply Wall St 3. On May 16, IonQ is undergoing vertical integration, acquiring SkyWater Technology to accelerate prototype chip testing and commercialization, but its pace lags behind competitors, making the stock still speculative. Source: Zhitong Finance. The quantum computing sector is in its early stages, suitable for long-term positioning. **Top Gainers in Pre-market US Stocks** Rubico is up 220.23% in pre-market trading, with no significant news recently. Trading is active, and capital flows are evident. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. Amesite is up 173.46% in pre-market trading. Based on recent key news: 1. On May 19, Amesite secured a new corporate client involving approximately 2,700 patients, marking its largest deployment to date, validating its corporate strategy and driving the stock price up in pre-market trading. This client will deploy NurseMagic AI documentation to streamline workflows, expected to significantly reduce the administrative burden on each nurse by up to 16 hours per week. Source: Zhitong Finance 2. On May 19, Amesite's CEO Ann Marie Sastry purchased 174,216 shares of common stock at $1.44 per share, increasing her direct holdings to 1,049,647 shares. This move demonstrates the confidence of company executives in future developments, further driving the stock price up. Source: Zhitong Finance On May 19th, Amesite reduced cash consumption through layoffs and internalization, refocusing on the product development of AI tools, avoiding large upfront transactions, and shifting customers to monthly service contracts. These measures improved operational efficiency, reduced risk, and supported the rise in stock prices. Source: Zhitong Finance AI industry demand growth, significant capital inflow. MetaVia pre-market rose 67.57%. Based on recent key news: 1. On May 18th, MetaVia announced a major product update, revealing that its next-generation virtual reality device is set to launch soon. The device features groundbreaking technological innovations expected to significantly enhance user experience and drive market demand. This news sparked strong interest from investors, leading to a substantial increase in stock prices. 2. On May 18th, MetaVia reached strategic cooperation agreements with several large technology companies aimed at jointly developing a virtual reality ecosystem. These partners include industry-leading chip manufacturers and software developers, which are expected to significantly enhance MetaVia's market competitiveness and further drive up stock prices. 3. On May 18th, analysts generally raised MetaVia's earnings forecasts, expecting that the new product launch and strategic partnerships will significantly boost the company's future revenue and profits. Analysts' optimistic expectations have strengthened market confidence, leading to a substantial rise in stock prices. 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