Nasdaq-traded Chinese herb company hits near $30 billion market value after speculative surge

Regencell CEO Yat-Gai Au controls 86.24% of the total number of shares outstanding, according to FactSet data.The company's year to date performance is off the charts too, having risen 46,000% in 2025. By Monday's close, Regencell, founded in 2014 and traded on Nasdaq under the ticker 'RGC' since 2021, had a total market capitalization of $29.7 billion, according to S&P Capital IQ.Shares of Regencell, which says it develops traditional Chinese herb treatments to treat childhood attention deficit hyperactivi ...