On September 14, YOFC fell 3.16% in regular trading, trading at HK$172.5/share, with turnover of HK$266 million.

The decline came as the broader optical communications sector underwent a collective pullback following a steep multi-day rally. Within the Communications Equipment sector, CIG dropped 6.97%, ZJ Innolight fell 5.3%, and ZTE slipped 1.48%, reflecting widespread selling pressure among high-momentum names. YOFC had previously surged 9.91% on September 9 and gained another 3.44% on September 11, with its A-share counterpart soaring 8.78% on the same day, accumulating significant short-term gains that intensified profit-taking pressure.

The prior rally was fueled by multiple catalysts including the 27th China International Optoelectronic Exposition, the launch of polarization-maintaining fiber products for CPO/NPO applications, a record-breaking hollow-core fiber attenuation of 0.032dB/km, and strong southbound capital inflows. Goldman Sachs had also raised its target price to HK$292. The company reported H1 net profit of approximately RMB 2.925 billion, up 889% year-over-year, underpinned by rising fiber pricing and AI data center demand.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)