Bayer Aktie (BAYN) Soars Over 10% on Stroke Drug Breakthrough – All Key News for 24 November 2025
Bayer shares surged about 9–11% on Monday, 24 November 2025, closing above €30.5 on Xetra and briefly hitting a new year high near €31. The rally followed positive Phase III results for its stroke drug asundexian and news on Roundup litigation provisions. Bayer topped the STOXX 600 index, with Reuters reporting a 9.3% gain by the European close.