Why zymeworks Is Trending Today?

Explore key developments that caused zymeworks to trend — updated as the story unfolds.

1 key events detected
November 17, 2025 at 7:03 PM
Zymeworks, a biopharmaceutical company, saw its stock climb significantly on Monday due to positive trial results for its cancer drug, Ziihera. The drug demonstrated promising outcomes in a Phase 3 trial for first-line HER2-positive locally advanced or metastatic gastroesophageal adenocarcinoma, potentially establishing it as a new standard of care. The company's stock price soared as a result, with investors reacting positively to the robust trial data and upcoming regulatory plans. Market watchers also highlighted Zymeworks as a stock to watch on Monday, alongside other notable companies like Alphabet and Tesla. Jazz Pharmaceuticals, which is collaborating with Zymeworks on the drug, also saw its stock rise in tandem with Zymeworks' gains.