0503.HK Lansen Pharma HKSE +40.94% HK$1.79 pre-market 03 Feb 2026: watch volume
We see a sharp pre-market surge in 0503.HK stock as Lansen Pharmaceutical (0503.HK) rises to HK$1.79, up 40.94% on heavy flow. Volume is outsized at 13,959,137.00 shares versus an average of 476,561.00. This spike appears trade-driven and is the key reason for our high-volume mover coverage. We track follow-through and catalysts for Hong Kong (HKSE) traders.
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