US Stock Market Move | Regencell Bioscience Holdings Ltd. (RGC.US) plummeted sharply by over 23%, with its biggest increase of 6681% this year.

On Monday, Regencell Bioscience Holdings Ltd. (RGC.US) plummeted over 23%, with the stock price almost breaching $300. The stock had been on a continuous rise previously, with the highest increase of 6681% within the year. It is reported that Regencell Bioscience Holdings Ltd. is an early-stage biotech company specializing in traditional Chinese medicine treatments for neurological cognitive disorders and degenerative diseases.