AG1.DE stock down 18% to €15.87 on XETRA 25 Feb 2026: liquidity spikes

AG1.DE stock plunged 18.20% to close at €15.87 on XETRA on 25 Feb 2026, driven by heavy selling and a spike in traded volume to 3,865,717 shares. The drop left the share price close to the 52-week low of €14.22 and well below the 50-day average of €26.40, signalling near-term technical stress. We examine the trading drivers, financial ratios, Meyka AI grade and forecast, and what active traders should watch next for AUTO1 Group SE on the Germany market.