Coherent stock rises 59% in 2026 but lags peers Lumentum and Applied Optoelectronics.

Coherent Corp's stock has surged 59% in 2026 due to growth in AI data center optical connectivity. However, its peers Lumentum Holdings and Applied Optoelectronics have outperformed it significantly with gains of 151% and 191% respectively. This gap raises questions about whether Coherent stock still has room to grow or if it is priced lower for valid concerns. Investors should watch upcoming quarterly results to see if Coherent can close the performance gap or continue trailing its peers before deciding to buy.

Coherent (COHR) is trading at USD 291.79 with a 1-day decline of 2.93% on Pluang. Lumentum (LITE) and Applied Optoelectronics (AAOI) show mixed moves, with LITE down 0.73% and AAOI up 0.56% as of Sep 25, 2026 02:21 WIB.