--- title: "U.S. Stock Movement Update: Moolec Science surged 35.48%, Rambus plummeted 15.07%" type: "News" locale: "en" url: "https://longbridge.com/en/news/284331097.md" description: "In the past hour, the overall market of US stocks has shown significant differentiation, with notable volatility in the technology and biopharmaceutical sectors. The strong rise of Moolec Science SA has attracted considerable capital inflow, while individual stocks like Rambus have faced substantial sell-offs, indicating a polarization of market sentiment. Short-term enthusiasm has increased among small-cap stocks, particularly with some thematic stocks performing actively, suggesting a rapid shift in capital preferences. Overall volatility is high, the market pace is fast, and investor sentiment is relatively tense. The stock with the largest movement in the past hour, Moolec Science SA, surged by 35.48%, becoming the market focus. The stock quickly rallied after the opening, attracting a large amount of short-term capital, indicating strong buying sentiment and potential for further increases. Strong stocks include: 1. Thryv: up 9.79%, driven by optimistic expectations for its business prospects. 2. Kala Pharmaceuticals: up 8.63%, standing out in the biopharmaceutical sector with market anticipation for its R&D progress. 3. Sumitomo Mitsui Financial Group: up 4.67%, benefiting from the recovery of the financial market with noticeable capital inflow. 4. Mitsubishi UFJ Financial Group: up 4.07%, with the overall strong performance of the financial sector boosting the stock's rise. 5. Shell: up 3.03%, with the market holding an optimistic view of its prospects against the backdrop of rising energy prices" datetime: "2026-04-28T08:00:18.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/284331097.md) - [en](https://longbridge.com/en/news/284331097.md) - [zh-HK](https://longbridge.com/zh-HK/news/284331097.md) --- # U.S. Stock Movement Update: Moolec Science surged 35.48%, Rambus plummeted 15.07% **Market Overview of US Stocks in the Last Hour** The overall market shows significant divergence, with notable volatility in the technology and biotechnology sectors. The strong rise of Moolec Science SA has attracted considerable capital inflow, while stocks like Rambus have faced substantial selling, indicating polarized market sentiment. Short-term enthusiasm has increased among small-cap stocks, particularly with some thematic stocks performing actively, suggesting a rapid shift in capital preferences. Overall volatility is high, the market pace is fast, and investor sentiment is relatively tense. **Stocks with the Most Significant Movements in the Last Hour** Moolec Science SA surged by 35.48%, becoming the market focus. The stock quickly rallied after the opening, attracting a large amount of short-term capital, indicating strong buying sentiment and potential for further increases. **Strong Stocks** 1. Thryv: Up 9.79%, driven by optimistic expectations for its business prospects. 2. Kala Pharmaceuticals: Up 8.63%, standing out in the biotechnology sector with market anticipation for its R&D progress. 3. Sumitomo Mitsui Financial Group: Up 4.67%, benefiting from the recovery of the financial market with noticeable capital inflow. 4. Mitsubishi UFJ Financial Group: Up 4.07%, supported by the strong performance of the overall financial sector. 5. Shell: Up 3.03%, with the market holding an optimistic view on its prospects against the backdrop of rising energy prices. **Stocks Under Pressure** 1. Rambus: Down 15.07%, with market concerns over its future performance leading to significant selling. 2. Vivakor: Down 12.78%, lacking positive news recently, resulting in low investor sentiment. 3. Akero Therapeutics: Down 12.62%, with increased selling pressure due to market doubts about its profitability. 4. POET Technologies: Down 11.95%, failing to attract sufficient buying interest in the short term, leading to price pressure. 5. 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