On October 13, YOFC fell 5.51% in regular trading, trading at 150.9 HKD per share, with turnover of 274 million HKD.

The decline was driven by two key catalysts. First, persistent market rumors regarding the U.S. Federal Communications Commission (FCC) restricting China-made optical modules continued to dampen sentiment across the entire optical communications sector. Second, BlackRock disclosed a further reduction in its long position in YOFC's H-shares to 5.72%, down from 6.18% at the end of September, adding direct selling pressure.

The broader Hong Kong-listed optical communications sector also traded lower, with ZJ INNOLIGHT down 3.27% and CIG down 5.01%. Sector peers collectively faced pressure from the same policy uncertainty alongside valuation concerns.

YOFC is a major Chinese supplier engaged in the production and sales of optical fiber preforms, optical fibers, optical cables, and other related communications products. Its offerings serve both domestic and international markets.

(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.)