Abnormal movement in U.S. stocks | Neuralstem Inc (RGC.US) plummeted by over 23%, the largest increase this year reaching as high as 6681%

According to the Wise Finance APP, on Monday, ReNeuron Group plc (RGC.US) plunged more than 23%, with the stock price dangerously close to $300. The stock had been rising continuously before this, with a maximum increase of 6681% this year. It is reported that ReNeuron Group plc is a biotechnology company focused on traditional Chinese medicine for the early treatment of neurological cognitive disorders and degenerative diseases.