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Hong Kong biotech stock surges 56,000% with no revenue, CEO becomes mega-billionare overnight

Ellsworth Toohey
Jun 19, 2025
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marilyn barbone/shutterstock.com

A Hong Kong company developing herbal treatments for ADHD has seen its stock price surge over 56,000% this year following a 38-for-1 stock split, despite having no revenue and ongoing losses.

Regencell Bioscience CEO Yat-Gai Au's 86% stake in the company is now worth $25.6 billion, as reported by Bloomberg.

The company has …

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