Hong Kong stock market anomaly | Sino Biopharmaceutical Limited-B (02591.HK) falls over 5% again, cornerstone investors' lock-up period is about to expire.

According to the Wise Finance APP, Yinnuo Pharmaceutical-B (02591.HK) fell by over 5% again. The stock had surged by over 32% on Monday but has been continuously falling for the three days since. As of the time of writing, it has dropped by 5.32% to HK$13.7, with a trading volume of 21.69 million Hong Kong dollars.