2496.HK YZY Biopharma (HKSE) down 20.28% pre-market 06 Mar 2026: key insight

2496.HK stock plunged 20.28% pre-market to HKD 5.70 on 06 Mar 2026 after an intraday gap from an HKD 8.40 open. The sharp move follows heavy early selling with volume at 11,000 shares, well above the average 2,614. Traders in Hong Kong are pricing new downside risk for Wuhan YZY Biopharma Co Ltd (2496.HK) on the HKSE ahead of any company updates.