Adeka (4401.T JPX) down 8.24% after hours 12 Feb 2026: downside and targets

The 4401.T stock plunged 8.24% in after-hours trade on 12 Feb 2026, closing JPY 4546.00 after a JPY 408.00 drop from the previous close. Volume surged to 889,800 shares, roughly 4.50x the average, signaling aggressive selling. We review drivers for Adeka Corporation (4401.T, JPX), link fundamentals to price action, and highlight near-term support and analyst-relevant metrics.