Hong Kong stock anomaly: Meok Eye Care-B (06622.HK) soared more than 9% during trading hours. Meok Eye Care's Meifulun has been awarded orphan drug designation by the US FDA.

Wisdom Financial APP learned that OCULUS BIOMETHES-B (06622.HK) rose more than 9% in mid-trading, as of press time, up 5.59% to HK $3.02, with a turnover of HK $12.43 million.