Advanced Fiber Resources(Zhuhai),Ltd. (300620) shares saw a sharp rally in afternoon trading on August 4, hitting the 20% daily limit up just three minutes after the midday break opened. The stock has surged over 360% in the past year, bringing its market capitalization to approximately 63.374 billion yuan. On investor forums, some excited traders exclaimed, "Finally seeing the light," and "Feasting on the gains," while others lamented, "Missed buying yesterday, so frustrating."
Earlier in the session, stocks such as Dongshan Precision Manufacturing Co., Ltd., Shennan Circuits Co., Ltd., Shengyi Technology Co., Ltd., and Yongding Shares also hit their daily limit ups. Additionally, Lianxun Instrument, Hengdongguang, Tianfu Communication Co., Ltd., Yuanjie Technology, Xinyisheng, and Zhongjichuangxu all posted gains exceeding 10%.
According to recent investor relations records disclosed by Advanced Fiber Resources(Zhuhai),Ltd., the company's thin-film lithium niobate technology offers advantages like high bandwidth and low loss, aligning closely with the development direction of Co-Packaged Optics (CPO). The firm has mastered core technologies in chip design and manufacturing, enabling the development of thin-film lithium niobate modulator chips and devices for rates of 800Gbps and above. The company is strategically positioning itself in the CPO sector, having developed products such as polarization-maintaining fiber arrays for CPO applications.
The company projects a 170% to 190% year-over-year increase in net profit attributable to shareholders for the first half of 2026. This growth is primarily driven by accelerated global investment in AI computing infrastructure, rising demand for high-speed optical modules and optical components, as well as revenue growth and economies of scale.
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