DIAGENS-B's stock soared 113.94% intraday on Monday as the biotechnology company made its trading debut on the Hong Kong Stock Exchange.
The company's initial public offering was priced at HK$99 per share, but shares opened at HK$219 each, representing a substantial premium to the offer price. DIAGENS-B raised HK$719.8 million in net proceeds from its IPO, with the Hong Kong public offer being 1,073.37 times subscribed, indicating strong investor demand.
The company operates in the medical imaging artificial intelligence sector, having launched the iMedImage® general-purpose medical imaging large model. According to its prospectus, the company reported revenue growth of 469.8% year-on-year for the first nine months of 2025, with a gross profit margin of 75.9%, contributing to investor enthusiasm for the stock.
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