On September 17, Coherent rose 4.39% in regular trading, trading at $303.275/share, with turnover of $139 million. The stock led a broad rally in the optical communications sector as multiple positive catalysts converged.

On the news front, the Federal Reserve officially raised interest rates by 25 basis points. The 10-year U.S. Treasury yield declined 5 basis points to 4.97%, relieving valuation pressure on high-growth tech stocks as the rate hike was broadly viewed as fully priced in. Simultaneously, Coherent showcased a suite of AI-oriented high-speed interconnect solutions at the China International Optoelectronic Exposition (CIOE), including a 6.4T slot-type CPO, 1.6T VCSEL NPO, and 12.8T XPO modules, reinforcing market confidence in its product capabilities.

As a core supplier of optical interconnect solutions for AI computing infrastructure, Coherent had previously suffered a sharp 12.73% single-day decline following calls from major AI leaders to slow AI development. The stock has since rebounded as institutional analysts from Citi and Bank of America issued bullish signals, calling the prior selloff overdone. Deutsche Bank also recently initiated coverage with a Buy rating, naming Coherent a top pick in AI hardware.

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