China's Ab&B Bio-Tech shares soar 170% driven by retail investor frenzy

Ab&B Bio Tech JS

11/08/2025 02:20

SYDNEY, Aug 11 (Reuters) - Shares of China's Ab&B Bio-Tech 2627.HK gained nearly 170% on Monday as the vaccine development firm debuted on the Hong Kong Stock Exchange after it raised $55 million in an initial public offering.

The retail tranche of the IPO was nearly 4,000 times oversubscribed by investors, the company's filings showed.

($1 = 7.8498 Hong Kong dollars)

 (Reporting by Scott Murdoch and Donny Kwok; Editing by Christian Schmollinger)

 ((Scott.Murdoch@thomsonreuters.com;))