Pre-market: 1831.HK stock jumps 48% to HK$0.445 on huge volume; technical and forecast insight

1831.HK stock rose 48.33% pre-market on 20 Jan 2026 to HK$0.445 on the HKSE, driven by an unusually large trade of 30,950,700 shares. This makes ShiFang Holding Limited (1831.HK) one of Hong Kong’s top high-volume movers in the communication services sector this session. We summarise the drivers, key ratios, technical set-up and Meyka AI’s forecast model to give traders clear, data-backed context ahead of the open.