On June 18, Biren Technology rose 3.9% in regular trading, trading at HK$58.55/share, with turnover of HK$161 million.

On the news front, the rally was primarily driven by the continued positive sentiment following Zhipu's official open-source release of its next-generation flagship model GLM-5.2 on June 16. Biren Technology's BR166 series completed Day-0 adaptation and optimization of the model based on the vLLM inference framework, becoming the first to offer rapid deployment solutions for developers. This catalyst initially drove the stock up over 8% in late trading on the prior session and continued to fuel gains.

Additionally, the company has recently completed adaptation for multiple leading large language models including MiniMax M3, accumulating Day-0 level support for over 20 major AI models, demonstrating its full-stack technical capabilities. The broader semiconductor sector also provided tailwinds, with GigaDevice up 8.6%, Innoscience up 8.17%, and Montage Technology up 6.04%.

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