TOUYUN BIOTECH (01332) experienced a sharp, high-volume collapse this morning, plummeting more than 60% and nearly erasing all gains achieved since late October of last year. As of the time of writing, the stock was down 60%, trading at HK$0.104, with a turnover of HK$85.1338 million.

On the news front, on January 15, a shareholder of TOUYUN BIOTECH deposited shares into Mingji Securities, with a deposited market value of HK$36.5841 million, accounting for 5.85% of the company.

Furthermore, on January 20, an unusual share transfer activity occurred at TOUYUN BIOTECH, where a shareholder moved shares from Wutong Securities to KGI Asia, with a transferred market value of HK$35.3525 million, representing 5.04% of the company.

Public information indicates that TOUYUN BIOTECH's primary businesses include providing QR codes and solutions for product packaging; manufacturing and selling packaging products; securities investment, trading, and lending; as well as producing and selling Chlamydomonas reinhardtii, microalgae, and related products.

The company's interim results for 2025 showed revenue from the sale of goods and services of HK$36.581 million, a decrease of 20.82% year-on-year; however, profit attributable to owners of the company was HK$11.243 million, representing a turnaround from a loss to a profit compared to the previous year.