--- title: "Dynavax Technologies Corp. (DVAX) rose 39%, marking its best intraday performance in the last four y" description: "Dynavax Technologies Corp. (DVAX) rose 39%, marking its best intraday performance in the last four years, following the company's agreement with Sanofi" type: "news" locale: "en" url: "https://longbridge.com/en/news/270734998.md" published_at: "2025-12-24T14:34:19.000Z" --- # Dynavax Technologies Corp. (DVAX) rose 39%, marking its best intraday performance in the last four y > Dynavax Technologies Corp. (DVAX) rose 39%, marking its best intraday performance in the last four years, following the company's agreement with Sanofi Dynavax Technologies Corp. (DVAX) rose 39%, marking its best intraday performance in the last four years, following an agreement with Sanofi ### Related Stocks - [SNYNF.US - Sanofi](https://longbridge.com/en/quote/SNYNF.US.md) - [SNY.US - Sanofi](https://longbridge.com/en/quote/SNY.US.md) ## Related News & Research | Title | Description | URL | |-------|-------------|-----| | 4-Sanofi ousts CEO Hudson after stalled turnaround at vaccine giant | Sanofi has ousted CEO Paul Hudson after a six-year tenure marked by a stalled turnaround and pressure on vaccine sales. | [Link](https://longbridge.com/en/news/275748711.md) | | Sanofi Kicks Off Up to EUR1 Billion Share Buyback | Sanofi Kicks Off Up to EUR1 Billion Share Buyback | [Link](https://longbridge.com/en/news/274608524.md) | | Sanofi Wins US FDA, Japanese Designations for Warm Autoimmune Hemolytic Drug | Sanofi Wins US FDA, Japanese Designations for Warm Autoimmune Hemolytic Drug | [Link](https://longbridge.com/en/news/275274188.md) | | Belén Garijo Named CEO of Sanofi | Sanofi SA has appointed Belén Garijo as the new CEO, effective after the Annual General Meeting on April 29, 2026. Curre | [Link](https://longbridge.com/en/news/275708715.md) | | Sanofi Completes Acquisition of Dynavax Technologies | Sanofi has completed its acquisition of Dynavax Technologies, adding the adult hepatitis B vaccine HEPLISAV-B and other | [Link](https://longbridge.com/en/news/275471636.md) | --- > **Disclaimer**: This article is for reference only and does not constitute any investment advice.