Bayer AG (BAYN.DE) closed €38.32 on 06 Jan 2026: heavy 4.00M volume, watch pipeline

Bayer AG (BAYN.DE) closed €38.32 on XETRA in Germany on 06 Jan 2026, making it one of the day’s most active names with 4,000,960 shares traded. BAYN.DE stock jumped 0.37 or 0.97% intraday as investors digested pipeline news and legal headlines. We open with price, volume and context because those three metrics drove today’s most active status and set the near-term trading tone.